Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua huu hoi snippets" » "qua huy hoi snippets", "qua phuc hoi snippets", "qua thuc hoi snippets", "qua huu ho snippets", "qua huu hai snippets", "qua cuu 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: (((("qua huu hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("qua huu hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua huu hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua huu hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.