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