Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
cham luc » cham soc, nhan luc, cham cuu
hanh di » hanh vi, hanh de, hang di
luc van » luoc van, luu van, duc van
va cham » va chat, va tham
cong ha » cong hoa, dong ha, cong tac
long ha » dong ha, dong hoa, cong hoa
cu dan » cua dan, ca dan, co dan
di cua » dai cua, doi cua, de cua
tu dan » tuc dan, tu ban, tu can

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu dan) or (cu dan)) ky ((long ha) OR (cong ha)) noi. lieu va cham luc van hanh di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu dan) OR (cu dan)) ky ((long ha) OR (cong ha)) noi. lieu va cham luc van hanh di cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu dan) or (cu dan)) ky ((long ha) OR (cong ha)) noi. lieu va cham luc van hanh di cua triet".
• Adding a wildcard symbol may retrieve word variants: ((tu dan) or (cu dan)) ky ((long ha) OR (cong ha)) noi. lieu va cham luc van hanh di cua triet*.