Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thuong dai » thuong mai, truong dai, thuong dam
nhung cong » thong cong, hang cong, nhung don
hien xanh » hien hanh, hien nhanh, chieu xanh
dung cong » dung trong
toan cao » toan ban
toan tap » toan ban

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 thuong dai ((nhung cong) or (dung cong)) dan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh thuong dai ((nhung cong) OR (dung cong)) dan ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh thuong dai ((nhung cong) or (dung cong)) dan ((toan cao) or (toan tap))*.