Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trong cham doc snippets" » "trong cham code snippets", "trang cham doc snippets", "trong cac doc snippets", "trong nha doc snippets", "trong cham soc snippets", "trong chat doc snippets", "trong chau doc 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 ("trong cham doc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trong cham doc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trong cham doc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trong cham doc snippets"))) or ("locating bug core snippets"))*.