Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap hang ve snippets" » "cap hoang ve snippets", "cap bang ve snippets", "cap han ve snippets", "cap hang va snippets", "cap hanh ve snippets", "cap hang ke 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: (((("cap hang ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cap hang ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap hang ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap hang ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.