Perhaps you should try some spelling variations:
dao nuoc » dat nuoc, dao cuoc, dau nuoc
so sach » so sanh, bo sach, co sach
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
cuu tre » cua tre, cau tren, cau treo
hieu ly » hieu ky, lieu ly, dieu ly
ly nang » ky nang, ly hang, ly vang
y nang » ky nang, v nang, may nang
vi cuu » vi luu, vinh cuu
ly dao » ly dai

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ((y nang) or (ly nang)) xa hoi. hieu ly dao nuoc ((va hanh) or (va danh)) vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((y nang) OR (ly nang)) xa hoi. hieu ly dao nuoc ((va hanh) OR (va danh)) vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: so sach ((y nang) or (ly nang)) xa hoi. hieu ly dao nuoc ((va hanh) or (va danh)) vi cuu tre*.