Perhaps you should try some spelling variations:
nhat chieu » nhat hieu, nha hieu, nhat bieu
van phung » van phong, van hung, van chuong
doc hieu » toc thieu, hoc thieu, hoc hien
dung dat » dung va, dung tai
dat luan » dan luan, dau luan, dat quang
van phan » van phong, van thanh, luan phan
phan lap » phan dau

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 (nhat chieu)) sang - dung dat luan van phung van phan lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (nhat chieu)) sang - dung dat luan van phung van phan lap*".