Perhaps you should try some spelling variations:
"and combinatorics mimo precoder program" » "and combinatorics in precoder program" (Expand search), "and combinatorics of precoder program" (Expand search), "and combinatorics and precoder program" (Expand search), "and combination mimo precoder program" (Expand search), "and combinatorics mimo proder program" (Expand search), "and combinatorics mimo recovery program" (Expand search), "and combinatorics mimo precoce programa" (Expand search)
"advanced python programming java programming" » "advanced python programming data programming" (Expand search), "advanced python programming and programming" (Expand search), "advanced python programming an programming" (Expand search), "advanced python programming based programming" (Expand search), "advanced python programming goal programming" (Expand search), "advanced method programming java programming" (Expand search), "advanced path programming java programming" (Expand search), "advanced symphony programming java programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("and combinatorics mimo precoder program") OR ("advanced python programming java programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and combinatorics mimo precoder program\") OR (\"advanced python programming java programming\"))".
• Removing quotes may allow a broader search: (( and combinatorics mimo precoder program ) OR ( advanced python programming java programming )).
• Adding a wildcard symbol may retrieve word variants: (("and combinatorics mimo precoder program") OR ("advanced python programming java programming"))*.