Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, hieu lang
cong thanh » dong thanh, cong trinh, cong tan
trung cua » truong cua, trung tuan, trung cap
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
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 tinh) OR (chieu sang)) - thanh trung cua dung ((cong thanh) OR (cong tac)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) OR (chieu sang)) - thanh trung cua dung ((cong thanh) OR (cong tac)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) OR (chieu sang)) - thanh trung cua dung ((cong thanh) OR (cong tac)) toan cau*.