Perhaps you should try some spelling variations:
tinh dai » trinh dai, tinh da, tinh hai
te sach » toc sach
dai huu » dao huu, dai hau, dai thua
va tinh » may tinh
cao duc » dao duc, cao suc, giao duc
hieu va » hieu qua
huu tre » huu tri, cuu tre, huu them
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang

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 ((y nang) OR (v nang)) ma hoi. ((hieu va) OR (lieu va)) cao duc va tinh dai huu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) or (v nang)) ma hoi. ((hieu va) OR (lieu va)) cao duc va tinh dai huu tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (v nang)) ma hoi. ((hieu va) OR (lieu va)) cao duc va tinh dai huu tre*.