Perhaps you should try some spelling variations:
cdanh thanh » dinh thanh, nhanh thanh, dang thanh
tieu trinh » tien trinh, tien thinh, trieu tinh
danh thanh » dinh thanh, dang thanh, nhanh thanh
thong cong » trong cong, tong cong, thong thong
thep tieu » theo tieu, thep thiet, thep viet
ha thong » hoa thong, nha thong, he thong
cong san » cong tac
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: thep tieu trinh - ((cdanh thanh) or (danh thanh)) ha thong cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thep tieu trinh - ((cdanh thanh) OR (danh thanh)) ha thong cong san van ban*.