Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
hanh nang » anh nang, ganh nang, hanh mang
cao thong » cao thuong, tao thong, cao phong
cong hai » cong thai, cong ha, hoang hai
hai tan » hai van, hai quan
tan ban » toan ban, tang ban, van ban

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: hoc ((((hien xanh) OR (hien hanh))) OR (chieu sach)) - hanh nang cao thong cong hai tan ban~.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hien xanh) or (hien hanh))) or (chieu sach)) - hanh nang cao thong cong hai tan ban*.