Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
thiet tinh » thien tinh, thuyet tinh, chieu tinh
hoc thiet » hoc thieu, hoc thuyet, hoc hien
doanh cua » doanh luan
dung cong » dung trong
thanh lap » thanh san, phan lap, thanh hai
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet tinh - doanh doanh cua dung cong tan ((((thanh lap) or (toan cau))) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tinh - doanh doanh cua dung cong tan ((((thanh lap) OR (toan cau))) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: hoc thiet tinh - doanh doanh cua dung cong tan ((((thanh lap) or (toan cau))) or (phan cac))*.