Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim kiem chu snippets" » "tiet kiem chu snippets", "tim hieu chu snippets", "thi kiem chu snippets", "tim kem chu snippets", "tim kiem thu snippets", "tim liem chau 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: (((("tim kiem chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tim kiem chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim kiem chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim kiem chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.