Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
su sach » so sach, vu sach
van cam » van nam, van lam, van cau
cam tuc » cam xuc, cam tu, nam thuc
xa hanh » xa thanh, xa khanh, va hanh
y nang » ky nang, ly nang, v nang
me hoi » le hoi
vi cua » vai cua, di cua
cua cu » cua chu, cua cau, cua 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 y nang ((me hoi) or (xa hoi)). hieu van cam tuc xa hanh vi cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ((me hoi) OR (xa hoi)). hieu van cam tuc xa hanh vi cua cu.
• Adding a wildcard symbol may retrieve word variants: su sach y nang ((me hoi) or (xa hoi)). hieu van cam tuc xa hanh vi cua cu*.