Perhaps you should try some spelling variations:
phuong tinh » phuong trinh, phuong binh, khuong tinh
chieu lang » chieu sang, hieu lang, chi lang
hanh doanh » hang doanh, chinh doanh, doanh doanh
doi chieu » doc hieu, doi chi, mot chieu
chua dong » cua dong, ha dong, huy dong
tinh phan » trinh phan, tinh than, tin phan
cua dang » cua cong, cua ban
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu lang - hanh doanh ((cua dang) or (chua dong)) phuong tinh phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu lang - hanh doanh ((cua dang) OR (chua dong)) phuong tinh phan lap.
• Adding a wildcard symbol may retrieve word variants: doi chieu lang - hanh doanh ((cua dang) or (chua dong)) phuong tinh phan lap*.