Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hieu quang » thieu quang, hieu quan, hieu qua
chieu sach » chinh sach, chiet tach, chieu sang
khong dong » khong dung, khong mong, phong dong
doanh hoa » doanh khoa, doanh hoan, danh hoa
hoa khong » khoi khong, hoa cong, he khong
dong anh » hong anh, dong thanh, hoang anh
tuan ban » tuan bang, toan ban, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu quang) or (chieu sach)) - chinh doanh hoa khong dong anh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu quang) OR (chieu sach)) - chinh doanh hoa khong dong anh tuan ban*.