Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan nu doc snippets" » "quan su doc snippets", "quan cua doc snippets", "quan khu doc snippets", "quan n1 doc snippets", "quan n2 doc snippets", "quan n3 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: (((("quan nu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan nu doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan nu doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan nu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.