Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan khu hoi snippets" » "quan he hoi snippets", "quan ha hoi snippets", "quan su hoi snippets", "quan thu hoi snippets", "quan khi hoi snippets", "quan phuc 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: (((("quan khu 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: (((("quan khu hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan khu hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan khu hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.