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