Perhaps you should try some spelling variations:
van dinh » van minh, van dich, va dinh
te sach » toc sach
hieu ve » hieu va, hieu van
ve chao » ve chat, ve cham, ve cho
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va cua » va chua, via cua, ca cua
x hoi » xa hoi, o hoi, x ho
tinh » trinh, minh, kinh

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 x hoi. hieu ve chao xu ((may tinh) or (van dinh)) va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. hieu ve chao xu ((may tinh) OR (van dinh)) va cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu ve chao xu ((may tinh) or (van dinh)) va cua tre*.