Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
cap nang » cam nang, cao nang, ca nang
thuc van » thuc vat, thuc dan, thuc hanh
sach cap » sach dao, sach bai, sach xa
danh vi » hanh vi, dinh vi, danh di
su sach » so sach, vu sach
thuc va » thuc vat, thuc dan, thuc day
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
va cam » va cham, va cac, va cao

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: su sach cap nang xa hoi. hieu va cam ((thuc van) OR (thuc va)) danh vi ((cua triet) OR (su triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach cap nang xa hoi. hieu va cam ((thuc van) OR (thuc va)) danh vi ((cua triet) or (su triet))~".
• Adding a wildcard symbol may retrieve word variants: su sach cap nang xa hoi. hieu va cam ((thuc van) OR (thuc va)) danh vi ((cua triet) or (su triet))*.