Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
trinh cua » trinh quan, trinh luan, trinh chat
ho chieu » theo chieu, hoc thieu, doi chieu
tinh cua » sinh cua, tinh chat, tranh cua
cong tan » cong tac, cong san, cong thanh
tan bang » tang bang, tuan bang, can bang
bang cau » hang cau, bang cac, nang cao
luat » luan, xuat

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: ho chieu sach - hanh ((((trinh cua) OR (trinh luat))) OR (tinh cua)) thong cong tan bang cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh ((((trinh cua) OR (trinh luat))) or (tinh cua)) thong cong tan bang cau~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((((trinh cua) OR (trinh luat))) or (tinh cua)) thong cong tan bang cau*.