Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuoi cua can snippets" » "hoi cua can snippets", "doi cua can snippets", "co cua can snippets", "cuoi cua cac snippets", "cuoi cua ban snippets", "cuoi 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: (((("cuoi 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: (((("cuoi cua can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuoi cua can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuoi cua can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.