Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vuc hoa cac snippets" » "duc hoa cac snippets", "vuc ha cac snippets", "cuc hoa cac snippets", "vuc hoa chat snippets", "vuc chon cac 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: (((("vuc hoa cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vuc hoa cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vuc hoa cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vuc hoa cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.