Perhaps you should try some spelling variations:
ban nhanh » ban hanh, ban thanh, ban nhan
nhanh hai » nhanh thai, thanh hai, nhanh ha
cua triet » cua viet, su triet, va triet
cham duc » pham duc, cham soc, pham duy
su sach » so sach, vu sach
va cham » va chat, va tham
duc ban » duc tan, duc van, dua ban
hai cua » thai cua, dai cua, hoi cua
y nang » ky nang, ly nang, v nang
o hoi » co hoi, o hoc, o hai

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) or (o hoi)). lieu va cham duc ban nhanh hai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ((xa hoi) OR (o hoi)). lieu va cham duc ban nhanh hai cua triet*.