Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh co moi snippets" » "anh so moi snippets", "danh cho moi snippets", "nganh co moi snippets", "anh cho moi snippets", "anh co hoi snippets", "anh do moi 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: (((("anh co moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh co moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh co moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh co moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.