Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
doanh va » doan va, doanh tai, doanh cua
van chat » cao chat
van tuan » van ban, anh tuan
van quan » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - canh doanh va nhung cong ((van chat) OR (((van tuan) OR (van quan)))) cap~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - canh doanh va nhung cong ((van chat) or (((van tuan) or (van quan)))) cap*.