Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi giam hoc snippets" » "loi giai hoc snippets", "doi nam hoc snippets", "doi giam doc snippets", "doi giam hom snippets", "doi gian hoi 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: (((("doi giam 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: (((("doi giam hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi giam hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi giam hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.