Perhaps you should try some spelling variations:
thuong dong » phuong dong, tuong dong, chuong dong
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » truong cua, trung tuan, trung cap
tung cua » tuong cua, dung cua, tang cua
dong dan » dong danh, duong dan, dong san
phan cau » phan dau, phan cac, phan tu
than cap » khan cap, thanh lap, thanh cac
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 ((tung cua) OR (trung cua)) thuong dong dan ((phan cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh ((tung cua) OR (trung cua)) thuong dong dan ((phan cau) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - thanh ((tung cua) OR (trung cua)) thuong dong dan ((phan cau) or (than cap))".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh ((tung cua) OR (trung cua)) thuong dong dan ((phan cau) or (than cap))*.