Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hanh tranh » hanh trinh, hanh trang, lanh tranh
nhung cong » dung cong, thong cong, hang cong
thien anh » thien danh, tien anh, thien chanh
cua nhung » va nhung
cong tam » cong tac, cong tan, cong nam
tam than » ban than
than cap » khan cap, thanh lap, thanh cac

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 anh) or (thien thanh)) - ((hanh tranh) OR (canh tranh)) cua nhung cong tam than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (thien thanh)) - ((hanh tranh) OR (canh tranh)) cua nhung cong tam than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien anh) or (thien thanh)) - ((hanh tranh) OR (canh tranh)) cua nhung cong tam than cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (thien thanh)) - ((hanh tranh) OR (canh tranh)) cua nhung cong tam than cap*.