Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim cham voi snippets" » "kim nham voi snippets", "gia cham voi snippets", "kim chi voi snippets", "kim cham hoi snippets", "kim pham voi snippets", "kim 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: (((("kim 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: (((("kim cham voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim cham voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim cham voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.