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