Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh hoa » thanh pho
nhanh ha » thanh hai, khanh hoa, nhan va
cham duc » pham duc, cham soc, pham duy
va cham » va chat, va tham
duc ban » duc tan, duc van, dua ban
su sach » so sach, vu sach
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.

• 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 ha) OR (thanh hoa)) cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang ((xa hoi) or (o hoi)). lieu va cham duc ban ((nhanh ha) OR (thanh hoa)) cua triet~".
• Adding a wildcard symbol may retrieve word variants: su sach y nang ((xa hoi) or (o hoi)). lieu va cham duc ban ((nhanh ha) OR (thanh hoa)) cua triet*.