Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thong cau doi snippets" » "thong cau code snippets", "thong cac doi snippets", "thong cap doi snippets", "thong tu doi snippets", "thong cau hoi snippets", "thong cau do snippets", "thong cau noi snippets"
"dung java java snippets" » "dung va java 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: (((("thong cau doi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thong cau doi snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thong cau doi snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thong cau doi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.