Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
thien dang » thien bang, thien danh, thien nang
dong huong » dong thuong, dong duong, cong huong
tranh ung » trinh ung, tranh nhung, tranh quang
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam
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 dang - canh tranh ung ((dung phuong) or (dong huong)) dan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoan thien dang - canh tranh ung ((dung phuong) OR (dong huong)) dan khan cap.
• Adding a wildcard symbol may retrieve word variants: hoan thien dang - canh tranh ung ((dung phuong) or (dong huong)) dan khan cap*.