Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu tinh » trieu tinh, lieu tinh, kieu tinh
trung tuan » trung tam, tran tuan, truong thanh
chau tinh » cuu tinh, ha tinh, cua tinh
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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 (chau tinh)) - thanh ((trung tuan) or (trung thanh)) dung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (chau tinh)) - thanh ((trung tuan) OR (trung thanh)) dung cong tan toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) OR (chau tinh)) - thanh ((trung tuan) or (trung thanh)) dung cong tan toan cau*".