Perhaps you should try some spelling variations:
phuong tinh » phuong trinh, phuong binh, khuong tinh
chieu sang » chieu sach, chieu xanh, hieu lang
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh hoan » doanh doanh, doanh khoa, doanh nhan
cua hoang » quan hoang, tuan hoang, xuan hoang
ho chieu » theo chieu, hoc thieu, doi chieu
cua hang » cua dang, cua nhung, cua cong
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - ((canh doanh) or (doanh hoan)) ((cua hoang) or (cua hang)) phuong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((canh doanh) OR (doanh hoan)) ((cua hoang) OR (cua hang)) phuong tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((canh doanh) or (doanh hoan)) ((cua hoang) or (cua hang)) phuong tinh toan cao*.