Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu qua tot snippets" » "huu que tot snippets", "cuu qua tot snippets", "huu quang tot snippets", "huu qua mot snippets", "huu qua hoat snippets", "huu luan tot 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 qua tot 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 qua tot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu qua tot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu qua tot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.