Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
trung tuan » trung thanh, trung tam, truong thanh
nhung dung » phuong dung, ung dung, thong dung
bang thanh » ban thanh, dang thanh, tang thanh
hoc thieu » toc thieu, hoc hien
tran tuan » tran xuan, tran quang, tran thanh
dung bang » dong bang, dung dang, dung nang
thanh cau » thanh chau, thanh mau, nhanh cau

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 tuan) OR (tran tuan)) nhung dung bang thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - thanh ((trung tuan) OR (tran tuan)) nhung dung bang thanh cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh ((trung tuan) OR (tran tuan)) nhung dung bang thanh cau*.