Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu hoa toc snippets" » "tieu hoa toc snippets", "dieu hoa toc snippets", "hiep hoa toc snippets", "hieu hoa hoc snippets", "hieu ho toc snippets", "hieu hoa doc 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: (((("hieu hoa toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu hoa toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu hoa toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu hoa toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.