Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
hoc chieu » hoc thieu, ho chieu, hoc hien
tuan dang » tran dang, tuan bang, tuan dung
cong van » cong vang, song van, cong tan
cong san » cong tac
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: hoc chieu tinh - hanh trung tuan dang ((cong van) OR (cong san)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - hanh trung tuan dang ((cong van) OR (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh trung tuan dang ((cong van) OR (cong san)) toan cau*.