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