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