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