Perhaps you should try some spelling variations:
phong kham » phong nam
kham thong » khap thong, khau thong, pham thuong
thong cong » trong cong, tong cong, thong thong
duoc dien » duoc lieu
cong danh » cuong danh, cong dan, cong thanh
doc hieu » toc thieu, hoc thieu, hoc hien
danh van » doanh van, dang van, dinh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (duoc dien)) tinh - khanh phong kham thong cong danh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (duoc dien)) tinh - khanh phong kham thong cong danh van ban.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (duoc dien)) tinh - khanh phong kham thong cong danh van ban*.