Perhaps you should try some spelling variations:
ve triet » va trien, su triet
hoa hoi » khoa hoi, hoa hoc, hoa doi
va hanh » van hanh, va thanh, va danh
cac xuc » cam xuc, cac nuoc, chat xuc
tu cach » tu cac
ky dang » ky nang, ky danh
su sach » so sach, vu sach
ha hoi » ha noi, xa hoi, va hoi
xuc va » duc va, tuc va, luc va
vi ve » va ve, gi ve, ve ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (su sach)) ky dang ((ha hoi) OR (hoa hoi)). lieu va cac xuc va hanh vi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) ky dang ((ha hoi) OR (hoa hoi)). lieu va cac xuc va hanh vi ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (su sach)) ky dang ((ha hoi) OR (hoa hoi)). lieu va cac xuc va hanh vi ve triet*".