Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
thu san » thuy san, thu ban, phu san
nang xa » nang x, lang xa, nang ma
ve chat » va chat, van chat
va hanh » van hanh, va thanh, va danh
tu san » tu ban, tu can, vu san
ve cam » ve cham, ve cac, va cam
vi su » va su, ve su, ki su

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (thu san)) ky nang xa hoi. hieu ((ve cam) OR (ve chat)) tu va hanh vi su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu san) OR (thu san)) ky nang xa hoi. hieu ((ve cam) or (ve chat)) tu va hanh vi su triet~".
• Adding a wildcard symbol may retrieve word variants: ((tu san) OR (thu san)) ky nang xa hoi. hieu ((ve cam) or (ve chat)) tu va hanh vi su triet*.