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