Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
hoc thieu » toc thieu, hoc hien
chua nang » chuc nang, chua xang, kha nang
cua bang » chua bang, cua ban, cua dang
cong bai » cuong bai, cong hai, cung bai
tap cau » tap cac, tao cau, tap can
ta cau » tao cau, tra cau, va cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu khang - canh tranh ((cua bang) or (chua nang)) cong bai ((tap cau) or (ta cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - canh tranh ((cua bang) OR (chua nang)) cong bai ((tap cau) OR (ta cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - canh tranh ((cua bang) or (chua nang)) cong bai ((tap cau) or (ta cau))*.