Perhaps you should try some spelling variations:
thuong con » thuong dong, truong cong, thong cong
hieu lang » chieu sang, hieu quang, nhieu tang
tung cua » trung cua, tuong cua, tang cua
dung cua » dung luan, dung cho
phan cau » phan dau, phan cac, phan tu
than cap » khan cap, thanh lap, thanh cac
ho hieu » ho chieu, hoi hieu, nho hieu
con dan » cong dan, co dan, con ban

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 (dung cua)) thuong con 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 (dung cua)) thuong con 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 (dung cua)) thuong con dan ((phan cau) or (than cap))".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh ((tung cua) OR (dung cua)) thuong con dan ((phan cau) or (than cap))*.