Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vay cong cac snippets" » "va cong cac snippets", "van cong cac snippets", "cay cong cac snippets", "vay cuong cac snippets", "vay cong tac snippets", "vay cong cau 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: (((("vay cong 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: (((("vay cong cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vay cong cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vay cong cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.