Perhaps you should try some spelling variations:
thieu tach » thien hach, chiet tach, chieu sach
canh trinh » canh tranh, hanh trinh, anh trinh
cong thang » cong thanh, cang thang, cong thong
thang bang » tang bang, thang long, hang ban
hoc thieu » toc thieu, hoc hien
canh tinh » hanh tinh, manh tinh, canh tranh
dong cong » duong cong, dung cong, dang cong
bang cau » hang cau, bang cac, nang cao
ha dong » hoat dong, van dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu tach - ((canh trinh) or (canh tinh)) ha dong cong thang bang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tach - ((canh trinh) OR (canh tinh)) ha dong cong thang bang cau*.