Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cay co canh snippets" » "cay bo canh snippets", "cay co anh snippets", "cay co cach snippets", "cac co canh snippets", "tay co canh snippets", "cay cong canh 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: (((("cay co canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cay co canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cay co canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cay co canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.