Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trang cho » trong cho, trang o, sang cho
theo cap » theo phap, pho cap, theo chu
cap sach » cap sac, cao sach, cau sach
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong thanh
tran cao » toan cao, tran chau, tranh cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo cap sach - hanh ((huong cua) OR (dung cua)) nhung cong tan ((tran cao) OR (trang cho))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo cap sach - hanh ((huong cua) or (dung cua)) nhung cong tan ((tran cao) OR (trang cho))~".
• Adding a wildcard symbol may retrieve word variants: theo cap sach - hanh ((huong cua) or (dung cua)) nhung cong tan ((tran cao) OR (trang cho))*.