Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va vai cuoc snippets" » "va va cuoc snippets", "va lai cuoc snippets", "va vao cuoc snippets", "va bai cuoc snippets", "va van cuoc snippets", "va dai cuoc 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: (((("va vai cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va vai cuoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va vai cuoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va vai cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.