Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
hanh trinh » hanh chinh
luat nhung » luat chung, luat thuong, thuat nhung
nhung cong » dung cong, thong cong, hang cong
cong van » cong vang, cong san, song van
van chat » cao chat
chat cap » chat cam, chat cao, cao cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tien thanh) or (tieng anh)) - ((hanh trinh) or (canh tranh)) luat nhung cong van chat cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien thanh) OR (tieng anh)) - ((hanh trinh) OR (canh tranh)) luat nhung cong van chat cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((tien thanh) or (tieng anh)) - ((hanh trinh) or (canh tranh)) luat nhung cong van chat cap*.