Perhaps you should try some spelling variations:
truong cua » truong quan, truong cao, huong cua
truong ca » truong cao, truong va, trong ca
cong cong » cong dong, trong cong, dung cong
doc hieu » toc thieu, hoc thieu, hoc hien
cong tap » cuong tap, cong tac, cong tan
tap doan » tap quan
doan cao » doanh cao, toan cao, doan cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (theo tieu)) sach - hanh ((truong cua) OR (truong ca)) cong cong tap doan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (theo tieu)) sach - hanh ((truong cua) OR (truong ca)) cong cong tap doan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (theo tieu)) sach - hanh ((truong cua) OR (truong ca)) cong cong tap doan cao".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (theo tieu)) sach - hanh ((truong cua) OR (truong ca)) cong cong tap doan cao*.