Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
dung huong » dung thuong, dung phuong, dong huong
hieu manh » chieu xanh, hieu nganh, dieu hanh
tung cua » trung cua, tuong cua, dung cua
cua dung » cua dang, cua dong, qua dung
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sach)) - thanh tung cua dung huong dan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sach)) - thanh tung cua dung huong dan khan cap.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sach)) - thanh tung cua dung huong dan khan cap*.