Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
truong cua » truong ca, truong quan, truong cao
thang dong » thang long, tang dong, thanh dong
dong doanh » dung doanh, trong doanh, doanh doanh
doanh tuan » doanh luan, doan tuan, doanh quan
hoc thieu » toc thieu, hoc hien
trung cua » trung tuan, trung cap, dung cua
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - thanh ((trung cua) or (truong cua)) thang dong doanh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh ((trung cua) OR (truong cua)) thang dong doanh tuan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh ((trung cua) or (truong cua)) thang dong doanh tuan cau*.