Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cham duc » pham duc, cham soc, pham duy
ban hanh » ban hang
hanh lai » hanh lam, hanh tai, thanh lap
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
va cham » va chat, va tham
duc ban » duc tan, duc van, dua ban
lai cua » dai cua, hai cua, lai chau
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 ty nang ((xa hoi) or (o hoi)). lieu va cham duc ban hanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang ((xa hoi) OR (o hoi)). lieu va cham duc ban hanh lai cua triet*.