Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
toc sach » hoc sach, doc sach, thuoc sach
duc manh » suc manh, duc anh, duc minh
cao hoc » co hoc, chat hoc
cho hoc » co hoc, khoa hoc
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
cua cau » cua cac, cua chu, cua cay
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
vi cua » vai cua, di cua

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: toc sach y nang ((cao hoc) OR (cho hoc)). hieu ve cac duc manh hanh vi cua cau~.
• Adding a wildcard symbol may retrieve word variants: toc sach y nang ((cao hoc) or (cho hoc)). hieu ve cac duc manh hanh vi cua cau*.