Perhaps you should try some spelling variations:
dinh viet » danh viet, trinh viet, sinh vien
ninh viet » sinh vien, anh viet
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
danh vi » hanh vi, dinh vi, danh di
y nang » ky nang, ly nang, v nang
soc va » hoc va, loc va, doc va

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 xa hoi. lieu va cham soc va ((danh vi) or (((dinh viet) or (ninh viet)))) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang xa hoi. lieu va cham soc va ((danh vi) OR (((dinh viet) OR (ninh viet)))) cua viet.
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. lieu va cham soc va ((danh vi) or (((dinh viet) or (ninh viet)))) cua viet*.