Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong chi toc snippets" » "cong khi toc snippets", "cong cho toc snippets", "con chi toc snippets", "cong chi loc snippets", "cong thi toc snippets", "cong chi duoc 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: (((("cong chi 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: (((("cong chi toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong chi toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong chi toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.