Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien xanh » hien hanh, hien nhanh, chieu xanh
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
cua nong » cua cong, cuu nong, cua song
cua dong » chua dong, cua cong, cua dang
phan dau » phan tu, hang dau

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