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