Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
hoc chieu » hoc thieu, ho chieu, hoc hien
trung nap » trung cap, trung nam, trung lap
dang cong » dung cong
manh toan » thanh toan, tinh toan
nap dang » nam dang, nao dang, nhan dang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh trung nap dang cong ((manh toan) OR (anh tuan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh trung nap dang cong ((manh toan) OR (anh tuan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trung nap dang cong ((manh toan) OR (anh tuan)) cau*.