Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
bien tinh » bi tinh, yen tinh, diep tinh
trung cap » truong cao, trung tam
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu
vi tinh » va tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((bien tinh) or (vi tinh)) - thanh ((trung tuan) or (trung cap)) nhung cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((bien tinh) OR (vi tinh)) - thanh ((trung tuan) OR (trung cap)) nhung cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((bien tinh) or (vi tinh)) - thanh ((trung tuan) or (trung cap)) nhung cong dan phan cau*.