Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam sach cap snippets" » "nam sach cap snippets", "pham sach cap snippets", "lam sang cap snippets", "lam sach dao snippets", "lam sach bai snippets", "lam sach xa 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 sach cap 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 sach cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam sach cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam sach cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.