Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
chieu xanh » chieu sach, chieu sang, chieu tinh
trung quan » trong quan, trung tuan, truong quang
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: ho chieu xanh - thanh ((trung quan) or (truong quan)) nhung cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((trung quan) OR (truong quan)) nhung cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung quan) or (truong quan)) nhung cong tan toan cao*.