Perhaps you should try some spelling variations:
trinh xuat » trinh luat, trinh xuan, trinh xay
trich xuat » trinh luat, trinh xuan
mot chieu » doi chieu, ho chieu
hoc thieu » toc thieu, hoc hien
tong cong » trong cong, cong cong, dung cong
cong tac » cong ty
tac van » tac vang, cac van, tac va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (hoc thieu)) tinh - hanh ((trinh xuat) or (trich xuat)) tong cong tac van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (hoc thieu)) tinh - hanh ((trinh xuat) OR (trich xuat)) tong cong tac van ban.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (hoc thieu)) tinh - hanh ((trinh xuat) or (trich xuat)) tong cong tac van ban*.