Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trung quan » truong quan, trong quan, trung tuan
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
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: hoc thieu xanh - hanh ((trung quan) or (thong quan)) nhung cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((trung quan) OR (thong quan)) nhung cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((trung quan) or (thong quan)) nhung cong san toan cau*.