Perhaps you should try some spelling variations:
dinh viet » ninh viet, danh viet, trinh viet
cua viet » ca viet, hoa viet, cua vat
so sach » so sanh, bo sach, co sach
nang ma » tang ma, sang ma, nang cao
va tham » van tham, va cham, va thanh
danh di » danh du, xanh di, danh dien
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
doc va » duoc va, hoc va, loc va

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 ma hoi. lieu va tham ((doc va) or (duc va)) ((danh di) or (dinh viet)) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang ma hoi. lieu va tham ((doc va) OR (duc va)) ((danh di) OR (dinh viet)) cua viet.
• Adding a wildcard symbol may retrieve word variants: so sach y nang ma hoi. lieu va tham ((doc va) or (duc va)) ((danh di) or (dinh viet)) cua viet*.