Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc hoi voi snippets" » "phuc hoi voi snippets", "thu hoi voi snippets", "thuc doi voi snippets", "thuc choi voi snippets", "thuc hop voi 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: (((("thuc hoi 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: (((("thuc hoi voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc hoi voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc hoi voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.