Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hien xanh » hien hanh, hien nhanh, chieu xanh
canh manh » lanh manh, canh tranh, cach mang
hang cong » dang cong, hang nong, bang cong
than phan » thanh phan, toan phan, thanh pham
manh cua » doanh cua, ban cua
tan phan » toan phan, van phan, tai phan

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 - canh manh cua ((nhung cong) or (hang cong)) ((tan phan) or (than phan)) cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - canh manh cua ((nhung cong) OR (hang cong)) ((tan phan) OR (than phan)) cac.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - canh manh cua ((nhung cong) or (hang cong)) ((tan phan) or (than phan)) cac*.