Perhaps you should try some spelling variations:
hanh hai » thanh hai, nhanh hai, hang hai
te sach » toc sach
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, nam duoc
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
y nang » ly nang, v nang, may nang
cua te » cua tu

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: te sach ((y nang) OR (ky nang)) cao hoi. hieu ve ((cam duc) OR (pham duc)) va hanh hai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) OR (ky nang)) cao hoi. hieu ve ((cam duc) or (pham duc)) va hanh hai cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) OR (ky nang)) cao hoi. hieu ve ((cam duc) or (pham duc)) va hanh hai cua te*.