Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
cho chieu » ho chieu, theo chieu, chon chien
quang cua » quan cua, quang tuan, quang huy
cong cong » cong dong, trong cong, dung cong
cong tan » cong tac, cong san, cong thanh
tran tap » toan tap, tran tan, tran tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chieu tinh - nhanh quang cua cong cong tan tran tap~.
• Adding a wildcard symbol may retrieve word variants: cho chieu tinh - nhanh quang cua cong cong tan tran tap*.