Perhaps you should try some spelling variations:
ve triet » va trien
su triet » su viet, su tien
hanh dai » hanh tai, hanh dao, vanh dai
thuc va » thuc vat, thuc dan, thuc day
su sach » so sach, vu sach
truc va » thuc vat, trung va
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
sach v » sach va, sach y, sach 2
ve cam » ve cham, ve cac, va cam
v nang » va nang, vu nang, van nang

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 v nang xa hoi. hieu ve cam ((truc va) OR (thuc va)) hanh dai ((su triet) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach v nang xa hoi. hieu ve cam ((truc va) OR (thuc va)) hanh dai ((su triet) OR (ve triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach v nang xa hoi. hieu ve cam ((truc va) OR (thuc va)) hanh dai ((su triet) or (ve triet))*".