Perhaps you should try some spelling variations:
te sach » toc sach
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
su sach » so sach, vu sach
vi cua » vai cua, di cua
ve cam » ve cham, ve cac, va cam
x hoi » xa hoi, o hoi, x ho

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) or (su sach)) ky nang x hoi. hieu ve cam xuc ((va hanh) or (va danh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (su sach)) ky nang x hoi. hieu ve cam xuc ((va hanh) OR (va danh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (su sach)) ky nang x hoi. hieu ve cam xuc ((va hanh) or (va danh)) vi cua tre*.