Perhaps you should try some spelling variations:
hanh trong » hanh trang, anh trong, hinh trong
nhung cong » dung cong, thong cong, hang cong
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
trong nam » thong nam, trong lam, trong cac
nam nhung » cam nhung, tham nhung, va nhung
cong tac » cong ty
khan cap » khan ap, khoan cam, phan cac
than cap » thanh lap, thanh cac, than cua

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) or (hoc thieu)) sach - hanh trong nam nhung cong tac ((khan cap) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) sach - hanh trong nam nhung cong tac ((khan cap) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc thieu)) sach - hanh trong nam nhung cong tac ((khan cap) or (than cap))*.