Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam khac co snippets" » "pham khac co snippets", "lam chat co snippets", "lam ha co snippets", "lam khac do snippets", "lam khac mo snippets", "lam khao co 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 khac co 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 khac co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam khac co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam khac co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.