Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
phuong tinh » phuong trinh, phuong binh, khuong tinh
hang doanh » hanh doanh, nhung doanh, van doanh
doanh cua » doanh luan
cua bang » chua bang, cua ban, cua dang
toan ban » van ban
hoan » hoang, hoa, soan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoan thien thanh - hang doanh cua bang phuong tinh toan ban~.
• Adding a wildcard symbol may retrieve word variants: hoan thien thanh - hang doanh cua bang phuong tinh toan ban*.