Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
hieu lang » chieu sang, hieu quang, nhieu tang
trung cap » truong cao, trung tam
dung cua » dung luan, dung cho
thong va » thong cua, truong va, thong qua
than cap » khan cap, thanh lap, thanh cac
ho hieu » ho chieu, hoi hieu, nho hieu
va than » va thanh, van than, va phan

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 ((((dung cua) or (trung tuan))) or (trung cap)) thong thong va than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh ((((dung cua) OR (trung tuan))) OR (trung cap)) thong thong va than cap.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh ((((dung cua) or (trung tuan))) or (trung cap)) thong thong va than cap*.