Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
luong thuc » thuong thuc, phuong thuc, luong thi
hoc thieu » toc thieu, hoc hien
luong chu » luong cho, luong thi, luong tu
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 (luong thuc))) 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 (luong thuc))) OR (huong cua)) dang cong dac nhan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - thanh ((((luong chu) OR (luong thuc))) or (huong cua)) dang cong dac nhan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh ((((luong chu) OR (luong thuc))) or (huong cua)) dang cong dac nhan cau*.