Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vui nhon cac snippets" » "quy nhon cac snippets", "vui chon cac snippets", "vui ngon cac snippets", "vui thong 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: (((("vui nhon 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: (((("vui nhon cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vui nhon cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vui nhon cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.