Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
chieu tinh » trieu tinh, lieu tinh, chau tinh
truong cua » truong ca, truong quan, huong cua
truong cao » truong dai
doi chieu » doc hieu, doi chi, ho chieu
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, tra cau
ran cau » van cau, ban cau, can cau

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - hanh ((truong cua) OR (truong cao)) truong cong tan ((tran cau) OR (ran cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tinh - hanh ((truong cua) OR (truong cao)) truong cong tan ((tran cau) or (ran cau))~".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - hanh ((truong cua) OR (truong cao)) truong cong tan ((tran cau) or (ran cau))*.