Perhaps you should try some spelling variations:
trung tuan » trung thanh, tran tuan, truong thanh
khong cong » thong cong, khong cang, chong cong
chu manh » ho manh, chu han, chu van
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap
cho chu » cho thue

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chu manh - thanh ((trung tuan) or (trung tam)) khong cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chu manh - thanh ((trung tuan) OR (trung tam)) khong cong tan than cau.
• Adding a wildcard symbol may retrieve word variants: cho chu manh - thanh ((trung tuan) or (trung tam)) khong cong tan than cau*.