Perhaps you should try some spelling variations:
"dang java java snippets" » "dang va java snippets"
"trinh cau ho snippets" » "trinh chat ho snippets", "trinh chao ho snippets", "trinh tu ho snippets", "trinh cau hoi snippets", "trinh cau hoa snippets", "trinh cau hoc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dang java java snippets") or ("trinh cau ho snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang java java snippets") OR ("trinh cau ho snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( trinh cau ho snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("trinh cau ho snippets"))) or ("locating bug code snippets"))*.