Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
thien chanh » thien chinh, hien hanh, tien thanh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac
tung va » trung va, tuong va, dung va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien thanh) or (thien chanh)) - thanh tung va nhung cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien thanh) OR (thien chanh)) - thanh tung va nhung cong dan than cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien thanh) or (thien chanh)) - thanh tung va nhung cong dan than cap*.