Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan thi toc snippets" » "nhanh thi toc snippets", "nhan tai toc snippets", "phan thi toc snippets", "nhan thi tac snippets", "nhan thi voc snippets", "nhan thi goc 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 thi toc 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 thi toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan thi toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan thi toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.