Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung toan » truong toan, trung tuan, trung tran
doi chieu » doc hieu, doi chi, mot chieu
thong tac » thong cac, tuong tac, thong tai
ho chieu » theo chieu, hoc thieu, mot chieu
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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 trung toan thong thong tac ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) xanh - thanh trung toan thong thong tac ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (ho chieu)) xanh - thanh trung toan thong thong tac ((phan cau) or (phan cac))*.