Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, truong thanh
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » truong cua, trung cap, dung cua
tran tuan » tran xuan, tran quang, tran thanh
ban thanh » ban hanh, ban hang
thanh cau » thanh chau, thanh mau, nhanh cau
cong ban » cong bang, cong san, cong tan
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - thanh ((trung cua) or (((trung tuan) OR (tran tuan)))) nhung cong ban thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh ((trung cua) OR (((trung tuan) OR (tran tuan)))) nhung cong ban thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - thanh ((trung cua) or (((trung tuan) OR (tran tuan)))) nhung cong ban thanh cau".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh ((trung cua) or (((trung tuan) OR (tran tuan)))) nhung cong ban thanh cau*.