Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
trung tuan » trung thanh, trung tam, tran tuan
trong quan » thong quan, tong quan, thong quang
nhung cong » dung cong, thong cong, hang cong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap

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 manh - hanh ((trung tuan) or (trong quan)) nhung cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu manh - hanh ((trung tuan) OR (trong quan)) nhung cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: toc thieu manh - hanh ((trung tuan) or (trong quan)) nhung cong san toan cau*.