Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vat cua cau snippets" » "mat cua cau snippets", "bat cua cau snippets", "dat cua cau snippets", "vat chua cau snippets", "vat cua cac snippets", "vat cua chu 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: (((("vat cua cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vat cua cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vat cua cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vat cua cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.