Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
phuong dan » phuong danh, phuong doan, huong dan
khai sang » kha nang, nha sang, thai bang
cong phai » cong hai, cong thai, cong phan
phai dung » hai dung, pham dung, phan dung
doi khai » doi khi, toi khai, doi khang
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi khai sang - thanh cong phai dung phuong dan van ban~.
• Adding a wildcard symbol may retrieve word variants: doi khai sang - thanh cong phai dung phuong dan van ban*.