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