Perhaps you should try some spelling variations:
trien quang » tran quang, tuyen quang, dien quang
thanh trung » thanh tung
thien quan » lien quan, thien van, thien quy
trung cua » truong cua, trung tuan, trung cap
cua trong » cua truong, cua trung, qua trong
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap
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: hoc ((thien quan) or (trien quang)) - thanh trung cua trong cong tan ((than cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien quan) OR (trien quang)) - thanh trung cua trong cong tan ((than cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien quan) or (trien quang)) - thanh trung cua trong cong tan ((than cau) or (phan cac))*.