Perhaps you should try some spelling variations:
ve triet » va trien
cam truc » cau truc, nam truc, lam truoc
su triet » su viet, su tien
va danh » va dinh, va dan, dia danh
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, ban hanh
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 hanh) OR (va danh)) 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 hanh) OR (va danh)) 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 hanh) OR (va danh)) dai ((su triet) or (ve triet))*".