Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu tieu toc snippets" » "thue tieu toc snippets", "thu dieu toc snippets", "tau tieu toc snippets", "thu sieu toc snippets", "thu tieu hoc snippets", "thu tieu quoc 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: (((("python using java snippets") or ("thu tieu toc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thu tieu toc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thu tieu toc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thu tieu toc snippets"))) or ("locating bug code snippets"))*.