Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
nong cong » cong cong, tong cong, nang cong
cong doan » cong dan, cong hoan, dong doanh
doan hang » doan hung, doan quang, toan thang
tam nong » lam nong, tam duong, tam huong
hang dau » hang va, hang tai

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 (hien hanh)) - thanh trung tam nong cong doan hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - thanh trung tam nong cong doan hang dau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - thanh trung tam nong cong doan hang dau*.