Perhaps you should try some spelling variations:
theo chiet » theo chieu, thep thiet
chiet tach » chieu sach
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
manh cua » doanh cua, ban cua
cong san » cong tac
san tuan » van tuan, san luan, san quan
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chiet tach - hanh ((manh cua) or (trung tuan)) nhung cong san tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chiet tach - hanh ((manh cua) OR (trung tuan)) nhung cong san tuan cau.
• Adding a wildcard symbol may retrieve word variants: theo chiet tach - hanh ((manh cua) or (trung tuan)) nhung cong san tuan cau*.