Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
cham duc » pham duc, cham soc, pham duy
van hanh » van thanh, ban hanh, van anh
sach ky » sac ky, sach y, sach ty
va cham » va chat, va tham
duc van » duc va, duc tan, duc manh
hanh di » hanh vi, hanh de, hang di
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, x ho, 5 hoi
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: thu sach ky nang ((x hoi) OR (o hoi)). lieu va cham duc van hanh di cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang ((x hoi) OR (o hoi)). lieu va cham duc van hanh di cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang ((x hoi) OR (o hoi)). lieu va cham duc van hanh di cua triet*.