Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan luong cac snippets" » "dan luong code snippets", "dai luong cac snippets", "van luong cac snippets", "nang luong cac snippets", "dan luong cuoc snippets", "dan luong va snippets", "dan luong tai 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: (((("dan luong cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan luong cac snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan luong cac snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan luong cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.