Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chim cua can snippets" » "chi cua can snippets", "chim ca can snippets", "chinh cua can snippets", "chim cua cac snippets", "chim cua ban snippets", "chim cua dan 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: (((("chim cua can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chim cua can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chim cua can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chim cua can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.