Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
thanh tran » thanh trang, thanh toan, thanh tra
hien xanh » hien hanh, hien nhanh, chieu xanh
tuong dan » huong dan, tung dan, xuong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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 tran) or (canh tranh)) va nhung tuong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((thanh tran) OR (canh tranh)) va nhung tuong dan than ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((thanh tran) or (canh tranh)) va nhung tuong dan than ban*.