Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi mu hoi snippets" » "khoi su hoi snippets", "kho mu hoi snippets", "khoi cua hoi snippets", "khoi me hoi snippets", "khoi lu hoi snippets", "khoi mo 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: (((("khoi mu 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: (((("khoi mu hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi mu hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi mu hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.