Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
cao hoi » cau hoi, co hoi, cao hoc
xuc van » duc van, luc van, vuc van
hanh di » hanh vi, hanh de, hang di
cua chu » sua chua
y nang » ky nang, ly nang, v nang
ve cac » vien cac
cua cu » cua cau, cua su, cua co

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang cao hoi. hieu ((ve cac) or (va cac)) xuc van hanh di ((cua cu) OR (cua chu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang cao hoi. hieu ((ve cac) OR (va cac)) xuc van hanh di ((cua cu) OR (cua chu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang cao hoi. hieu ((ve cac) or (va cac)) xuc van hanh di ((cua cu) OR (cua chu))*".