Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
vien cao » vien cac, vien dai, vien da
su sach » so sach, vu sach
cao suc » cao su, cao duc
va hanh » van hanh, va thanh, va danh
lai cua » hai cua, lai chau, thai cua
y nang » ky nang, ly nang, v nang
suc va » duc va, tuc va, luc va
x hoi » xa hoi, o hoi, x ho

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 x hoi. hieu vien cao suc va hanh ((lai cua) or (dai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang x hoi. hieu vien cao suc va hanh ((lai cua) OR (dai cua)) triet.
• Adding a wildcard symbol may retrieve word variants: su sach y nang x hoi. hieu vien cao suc va hanh ((lai cua) or (dai cua)) triet*.