Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va thuat » ky thuat, ki thuat, va thuc
van hanh » van thanh, ban hanh, van anh
hanh vai » hanh vi, hanh va, hanh tai
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
luc van » luoc van, luu van, duc van
vai cua » dai cua, hai cua, lai cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky nang xa hoi. hieu ((((va cham) or (va thuat))) or (va cac)) luc van hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky nang xa hoi. hieu ((((va cham) OR (va thuat))) OR (va cac)) luc van hanh vai cua triet.
• Adding a wildcard symbol may retrieve word variants: so sach ky nang xa hoi. hieu ((((va cham) or (va thuat))) or (va cac)) luc van hanh vai cua triet*.