Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh toan » thanh hoa, thanh san, tinh toan
hien xanh » hien hanh, hien nhanh, hien khanh
chinh nha » chinh ngan, chinh khoa, chinh cho
tang cong » tang cuong, trang cong, dang cong
nha tang » nha trang, nham tang, ha tang
toan tap » toan ban

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 nha tang cong thanh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu xanh)) - hanh chinh nha tang cong thanh toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (chieu xanh)) - hanh chinh nha tang cong thanh toan tap*.