Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam thuoc he snippets" » "nam thuoc he snippets", "am thuc he snippets", "cay thuoc he snippets", "lam thuoc ho snippets", "lam thuoc theo snippets", "lam hoc he 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 thuoc he 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 thuoc he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam thuoc he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam thuoc he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.