Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
hanh trung » thanh trung, hanh trang, manh trung
chau tinh » cuu tinh, cua tinh, cac tinh
tuan hang » tuan hoang, tuan bang, tuan dang
hang cong » dang cong, hang nong, bang cong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
ha tinh » va tinh, may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chau tinh) OR (ha tinh)) - hanh trung tuan hang cong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chau tinh) OR (ha tinh)) - hanh trung tuan hang cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chau tinh) OR (ha tinh)) - hanh trung tuan hang cong tan toan cau*.