Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van nhan » van phan, van thanh, danh nhan
nhan tuc » nhan thuc, nhan luc, nhanh thuc
te sach » toc sach
ty nang » ty xang, ty hang, ty nong
ly nang » ly hang, ly vang, ly quang
va dinh » van dinh, va kinh, va tinh
dinh di » dinh du, dinh vi, danh di
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa
di cua » dai cua, doi cua, de cua

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 ((((ty nang) OR (ly nang))) OR (ky nang)) xa hoi. hieu van nhan tuc va dinh di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((((ty nang) OR (ly nang))) or (ky nang)) xa hoi. hieu van nhan tuc va dinh di cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ((((ty nang) OR (ly nang))) or (ky nang)) xa hoi. hieu van nhan tuc va dinh di cua tre*.