Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"va kiem hat snippets" » "va kiem sat snippets", "va kiem thuat snippets", "va kiem soat snippets", "van kien hat snippets", "va kiem hat slippers"
"locating bug code snippets" » "locating bug code slippers", "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 kiem hat 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 kiem hat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va kiem hat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va kiem hat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.