Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hieu lang » chieu sang, hieu quang, nhieu tang
tuong cua » truong cua, huong cua, thong cua
tung cua » trung cua, dung cua, tang cua
cong dan » cong san, cong tan, huong dan
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 (tuong cua)) thuong cong 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 (tuong cua)) thuong cong 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 (tuong cua)) thuong cong dan ((phan cau) or (than cap))".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh ((tung cua) OR (tuong cua)) thuong cong dan ((phan cau) or (than cap))*.