Perhaps you should try some spelling variations:
thien hach » thien thanh
canh doanh » hanh doanh, chinh doanh, doanh doanh
hien hanh » dieu hanh
doanh cua » doanh luan
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
cong tac » cong ty
tac phat » tac pham, tam phat, tan phat
phat lap » phan lap, phap lap, phat lam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien hach) or (hien hanh)) - canh doanh cua hang cong tac phat lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien hach) OR (hien hanh)) - canh doanh cua hang cong tac phat lap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien hach) or (hien hanh)) - canh doanh cua hang cong tac phat lap*.