Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, tran tuan, truong thanh
tong cong » trong cong, cong cong, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
tong son » dong son, hong son, tang son
van toan » van tuan, van tan, van 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: ho chieu xanh - thanh ((trung tuan) or (trung tam)) ((tong son) or (tong cong)) van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((trung tuan) OR (trung tam)) ((tong son) OR (tong cong)) van toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung tuan) or (trung tam)) ((tong son) or (tong cong)) van toan cau*.