Perhaps you should try some spelling variations:
"coder modulation in precoder program" » "coded modulation in precoder program" (Expand search), "code modulation in precoder program" (Expand search), "power modulation in precoder program" (Expand search), "coder modulation in proder program" (Expand search), "coder modulation in recovery program" (Expand search), "coder modulation in precoce programa" (Expand search), "coder modulation of precoder program" (Expand search), "coder modulation in premodern program" (Expand search), "coder modulation and precoder program" (Expand search), "coder modulation to precoder program" (Expand search)
"api pythons python python programming" » "api pitons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pythons piton python programming" (Expand search), "api pythons pitons python programming" (Expand search), "api pythons pytm python programming" (Expand search), "api python python python 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: (("coder modulation in precoder program") OR ("api pythons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder modulation in precoder program\") OR (\"api pythons python python programming\"))*".
• Removing quotes may allow a broader search: (( coder modulation in precoder program ) OR ( api pythons python python programming ))*.