Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
tranh trong » tran trong, trinh trong, anh trong
thong cong » trong cong, tong cong, thong thong
trong ca » trong cac, trong nha
ca thong » ca thuong, cac thong, va thong
cong tac » cong ty
khan cap » khan ap, than cap, khoan cam
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu khang - tranh trong ca thong cong tac ((khan cap) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu khang - tranh trong ca thong cong tac ((khan cap) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: toc thieu khang - tranh trong ca thong cong tac ((khan cap) or (phan lap))*.