Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
doi chieu » doc hieu, doi chi, mot chieu
tuong hoc » truong hoc, tuong ho, duong hoc
ho chieu » theo chieu, hoc thieu, mot chieu
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
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: ((doi chieu) or (ho chieu)) xanh - thanh tuong hoc thuong ((cong ban) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) xanh - thanh tuong hoc thuong ((cong ban) OR (cong tan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (ho chieu)) xanh - thanh tuong hoc thuong ((cong ban) or (cong tan)) toan cau*.