Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhanh co cua snippets" » "nganh co cua snippets", "nhan co cua snippets", "nhanh cong cua snippets", "nhanh con cua snippets", "nhanh ca cua 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: (((("nhanh co cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhanh co cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhanh co cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhanh co cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.