Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi cham voi snippets" » "hoi chuc voi snippets", "hoi chu voi snippets", "toc cham voi snippets", "hoi cham hoi snippets", "hoi pham voi snippets", "hoi cham soc 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: (((("hoi cham voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi cham voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi cham voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi cham voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.