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 cao » toan ban, toan tap

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 cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (chieu xanh)) - hanh chinh nha tang cong thanh toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (chieu xanh)) - hanh chinh nha tang cong thanh toan cao*.