Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
nhung chong » nhung cong, nhung phong, nhung phuong
hieu quang » thieu quang, hieu quan, hieu qua
hieu lang » chieu sang, nhieu tang, hieu van
chong van » thong van, hong van, phong van
van phong » van dong, hai phong
phong cau » thong cau, phong cac, phong cai
doanh va » doan va, doanh tai, doanh cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: nho ((hieu lang) OR (hieu quang)) - doanh doanh va nhung chong van phong cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nho ((hieu lang) OR (hieu quang)) - doanh doanh va nhung chong van phong cau".
• Adding a wildcard symbol may retrieve word variants: nho ((hieu lang) OR (hieu quang)) - doanh doanh va nhung chong van phong cau*.