Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi dung voi snippets" » "thi huong voi snippets", "thi nhung voi snippets", "thi cong voi snippets", "thi dung von snippets", "thi dung doi snippets", "thi dung vi 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: (((("thi dung voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi dung voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi dung voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi dung voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.