Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cham sat » cham mat, cham soc, khao sat
van hanh » van thanh, ban hanh, van anh
lang ha » long ha
ky lang » ky nang, ky dang, ky tang
va cham » va chat, va tham
sat van » sat va, hat van, hoat van
hanh di » hanh vi, hanh de, hang di
tu san » thu san, tu can, vu san
tu ban » thu ban, te ban
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu san) or (tu ban)) ky lang ha noi. lieu va cham sat van hanh di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu ban)) ky lang ha noi. lieu va cham sat van hanh di cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu san) or (tu ban)) ky lang ha noi. lieu va cham sat van hanh di cua triet*.