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