Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
hanh vai » hanh vi, hanh van, hanh voi
hanh tai » thanh tai, hang tai, han tai
hanh va » hang va, hanh vi
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
nang xa » nang x, lang xa, nang ma
luc va » duc va, tuc va, loc va
y nang » ky nang, ly nang, v nang
ve cau » ke cau, va cau, ve cac

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