Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hien xanh » hien hanh, hien nhanh, hien khanh
dung cong » dung trong
tren chau » tran chau, tren ca, tren cay
chinh ca » chinh ta, chinh va, chinh tai
cong tac » cong ty
tac tren » rac tren, tai tren, tap tren
ca dung » cao dung, cap dung, cu dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien xanh) or (chieu xanh)) - hanh chinh ca dung cong tac tren chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu xanh)) - hanh chinh ca dung cong tac tren chau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (chieu xanh)) - hanh chinh ca dung cong tac tren chau*.