Perhaps you should try some spelling variations:
"structure function python python programming" » "structure function path python programming" (Expand search), "structure function protein python programming" (Expand search), "structure function plasmon python programming" (Expand search), "structure function pythons python programming" (Expand search), "structure function piton python programming" (Expand search), "structure function pitons python programming" (Expand search)
"an annotation in coding program" » "an annotation in cloning program" (Expand search), "an annotation in loading program" (Expand search), "an annotation in cooling programs" (Expand search), "and annotation in coding program" (Expand search), "and annotations in coding program" (Expand search), "re annotation in coding program" (Expand search), "an annotation and coding program" (Expand search), "an annotation of coding program" (Expand search), "an annotation on coding program" (Expand search), "an annotation in decoding program" (Expand search), "an annotation non coding program" (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: (("an annotation in coding program") OR ("structure function python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"an annotation in coding program\") OR (\"structure function python python programming\"))".
• Removing quotes may allow a broader search: (( an annotation in coding program ) OR ( structure function python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("an annotation in coding program") OR ("structure function python python programming"))*.