Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam hoa cong snippets" » "lam cua cong snippets", "lam va cong snippets", "lam hoa co snippets", "cam hoa cong snippets", "lai hoa cong snippets", "lam ha cong 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 hoa cong 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 hoa cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam hoa cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam hoa cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.