Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
luong chu » luong cho, luong thuc, luong thi
huong cua » dung cua
dang cong » dung cong
cong dac » cong tac, cong dan, cong cac
dac nhan » cac nhan, danh nhan, ca nhan
nhan cau » nhanh cau, phan cau, nhan sau

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 ((luong chu) or (huong cua)) dang cong dac nhan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh ((luong chu) OR (huong cua)) dang cong dac nhan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh ((luong chu) or (huong cua)) dang cong dac nhan cau*.