Perhaps you should try some spelling variations:
thanh chau » thanh cha, thanh cham, thanh chu
tong cong » trong cong, cong cong, dung cong
cho thuc » choi thuc, cho thue, co thuc
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh lap, thanh cac
va chua » vua chua, ca chua, va chu
va cua » via cua, ca cua, ma cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho thuc hanh - hang ((va cua) or (va chua)) tong cong dan ((thanh chau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho thuc hanh - hang ((va cua) OR (va chua)) tong cong dan ((thanh chau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: cho thuc hanh - hang ((va cua) or (va chua)) tong cong dan ((thanh chau) or (than cap))*.