Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vit co cac snippets" » "viet co cac snippets", "vit con cac snippets", "vat co cac snippets", "vit cho cac snippets", "vit ca cac snippets", "vit co 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: (((("vit co 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: (((("vit co cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vit co cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vit co cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.