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