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 hang » doan hung, doan quang, toan thang
van dung » van dong, xay dung, tin dung
va huong » va phuong, va tuong, ban 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 - thanh trung ((van dung) or (((va huong) or (va thuong)))) cong doan hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh trung ((van dung) OR (((va huong) OR (va thuong)))) cong doan hang dau.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh trung ((van dung) or (((va huong) or (va thuong)))) cong doan hang dau*.