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