Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gap doi hoc snippets" » "lap doi hoc snippets", "gap do hoc snippets", "gap phoi hoc snippets", "gap doi hoac snippets", "gap dai hoc snippets", "gap hoi hoc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("gap doi hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gap doi hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gap doi hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gap doi hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.