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