Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
dinh lam » dinh van, tinh lao
nhan tuc » nhan thuc, nhan luc, nhanh thuc
hieu su » hieu sau, tieu su, hieu so
lam cua » nam cua, lam chat
va dinh » van dinh, va kinh, va tinh
su sach » so sach, vu sach
hieu cu » hieu cua, hieu ca, nhieu cau
y nang » ky nang, ly nang, may nang
tuc va » thuc va, truc va, tuc xa
v nang » va nang, vu nang, van nang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((y nang) or (v nang)) xa hoi. ((hieu cu) or (hieu su)) nhan tuc va dinh lam cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y nang) OR (v nang)) xa hoi. ((hieu cu) OR (hieu su)) nhan tuc va dinh lam cua viet.
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) or (v nang)) xa hoi. ((hieu cu) or (hieu su)) nhan tuc va dinh lam cua viet*.