Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
van hanh » van thanh, ban hanh, van ban
cham duc » pham duc, cham soc, pham duy
te sach » toc sach
van anh » van thanh, tuan anh, van minh
va cham » va chat, va tham
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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 (thuat sach)) ky lang xa hoi. hieu va cham duc ((van hanh) or (van anh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thuat sach)) ky lang xa hoi. hieu va cham duc ((van hanh) OR (van anh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thuat sach)) ky lang xa hoi. hieu va cham duc ((van hanh) or (van anh)) vi cua tre*.