Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam duoc voi snippets" » "nam duoc voi snippets", "luat duoc voi snippets", "lam thuoc voi snippets", "lam duoc hoi snippets", "lam duoc moi snippets", "lam duoc noi 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: (((("lam duoc 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: (((("lam duoc voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam duoc voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam duoc voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.