Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam duoi ca snippets" » "lam duoc ca snippets", "dam duoi ca snippets", "nam duoi ca snippets", "lam doi ca snippets", "lam cuoi cua snippets", "lam nuoi cay 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 duoi ca 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 duoi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam duoi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam duoi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.