Perhaps you should try some spelling variations:
thanh trung » thanh tung
diem tinh » diep tinh, diem sinh, dien tinh
trung vu » trung va, truong va, trung ha
vu nhung » va nhung, tu nhung, ve nhung
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: dac diem tinh - thanh trung vu nhung ((cong tan) or (cong san)) tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dac diem tinh - thanh trung vu nhung ((cong tan) OR (cong san)) tran cau.
• Adding a wildcard symbol may retrieve word variants: dac diem tinh - thanh trung vu nhung ((cong tan) or (cong san)) tran cau*.