Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh doi » thanh doi, hanh noi, hang doi
ve cham » va cham, ve chat, vu cham
doi cua » dai cua, hoi cua
sang ky » sang kyo, dang ky, tang ky
va hanh » van hanh, va thanh, va danh
loc va » hoc va, luc va
san ky » van ky, dan ky, ban ky
ve cam » ve cac, va cam, ve cai
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((san ky) or (sang ky)) nang x hoi. hieu ((ve cam) OR (ve cham)) loc va hanh doi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((san ky) OR (sang ky)) nang x hoi. hieu ((ve cam) OR (ve cham)) loc va hanh doi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((san ky) or (sang ky)) nang x hoi. hieu ((ve cam) OR (ve cham)) loc va hanh doi cua triet".
• Adding a wildcard symbol may retrieve word variants: te ((san ky) or (sang ky)) nang x hoi. hieu ((ve cam) OR (ve cham)) loc va hanh doi cua triet*.