Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam phuc hoc snippets" » "nam thuc hoc snippets", "nam thuoc hoc snippets", "nang phuc hoc snippets", "nam phuc hoi snippets", "nam phuc hoa snippets", "nam phuc hon 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: (((("nam phuc 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: (((("nam phuc hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam phuc hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam phuc hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.