Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim thai cua snippets" » "tinh thai cua snippets", "toc thai cua snippets", "tam than cua snippets", "tim than cua snippets", "tim tai cuc snippets", "tim tri cua 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 thai cua 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 thai cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim thai cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim thai cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.