Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
hieu ve » hieu va, hieu van
su sach » so sach, vu sach
te sach » toc sach
ve cham » va cham, ve chat, vu cham
bac va » ban va, bac ha, bao va
luc va » duc va, tuc va, loc va
x hoi » xa hoi, o hoi, x ho
vi su » va su, ve su, ki su

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) or (te sach)) ky nang x hoi. hieu ve cham ((bac va) or (luc va)) hanh vi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ky nang x hoi. hieu ve cham ((bac va) OR (luc va)) hanh vi su triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (te sach)) ky nang x hoi. hieu ve cham ((bac va) or (luc va)) hanh vi su triet*.