Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh co bo snippets" » "anh so bo snippets", "danh cho bo snippets", "nganh co bo snippets", "anh co bao snippets", "anh con bo snippets", "anh co so 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 bo 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 bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh co bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh co bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.