Perhaps you should try some spelling variations:
dong thuong » cong thuong, dong thong, dung thuong
dung phuong » dung thuong, bang phuong, dung chung
thien danh » thien anh, thien dang, thien thanh
canh trinh » canh tranh, hanh trinh, canh tinh
trinh ung » trinh dung, trinh duong, trinh nhung
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac
hoan » hoang, hoa, toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoan thien danh - canh trinh ung ((dung phuong) or (dong thuong)) dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoan thien danh - canh trinh ung ((dung phuong) OR (dong thuong)) dan than cap.
• Adding a wildcard symbol may retrieve word variants: hoan thien danh - canh trinh ung ((dung phuong) or (dong thuong)) dan than cap*.