Perhaps you should try some spelling variations:
"and optimization and computer programmers" » "and optimization and computer programs" (Expand search), "and optimization and computer programming" (Expand search), "and optimization and computers programming" (Expand search), "and optimization _ computer programmers" (Expand search), "and optimization and computer programamers" (Expand search)
"advanced piton python computer program" » "advanced path python computer program" (Expand search), "advanced ptl python computer program" (Expand search), "advanced partition python computer program" (Expand search), "advanced pitons python computer program" (Expand search), "advanced in python computer program" (Expand search), "advanced with python computer program" (Expand search), "advanced piton python computer programa" (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 optimization and computer programmers") OR ("advanced piton python computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and optimization and computer programmers\") OR (\"advanced piton python computer program\"))".
• Removing quotes may allow a broader search: (( and optimization and computer programmers ) OR ( advanced piton python computer program )).
• Adding a wildcard symbol may retrieve word variants: (("and optimization and computer programmers") OR ("advanced piton python computer program"))*.