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 lieu » du lieu
cong canh » cong danh, cong thanh, cong khanh
doc diep » duoc dien, ngoc diep, dac diem
canh van » anh van, can van, cach 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 diep) or (duoc lieu)) tinh - khanh phong kham thong cong canh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc diep) OR (duoc lieu)) tinh - khanh phong kham thong cong canh van ban.
• Adding a wildcard symbol may retrieve word variants: ((doc diep) or (duoc lieu)) tinh - khanh phong kham thong cong canh van ban*.