Perhaps you should try some spelling variations:
thiet danh » thien danh, thien anh, thien dang
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thiet » hoc thieu, hoc thuyet, hoc hien
tranh cua » doanh cua, manh cua
cua hang » cua dang, cua nhung, cua cong
cong tam » cong tan, cong nam, dong tam
cong tac » cong ty
than cap » khan cap, thanh lap, thanh cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet danh - hanh tranh cua hang ((cong tam) OR (cong tac)) than cap~.
• Adding a wildcard symbol may retrieve word variants: hoc thiet danh - hanh tranh cua hang ((cong tam) or (cong tac)) than cap*.