Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
ky lang » ky nang, ky dang, tay lang
ky tang » ky nang, ky dang, kho tang
va tham » van tham, va cham, va thanh
xuc van » duc van, vuc van, xuc ban
luc van » luoc van, luu van, duc van
hanh di » hanh vi, hanh de, hang di
tu san » thu san, tu ban, tu can
di su » doi su, ki su, da su

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 ((ky lang) or (ky tang)) xa hoi. lieu va tham ((xuc van) OR (luc van)) hanh di su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ((ky lang) OR (ky tang)) xa hoi. lieu va tham ((xuc van) OR (luc van)) hanh di su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ((ky lang) or (ky tang)) xa hoi. lieu va tham ((xuc van) OR (luc van)) hanh di su triet".
• Adding a wildcard symbol may retrieve word variants: tu san ((ky lang) or (ky tang)) xa hoi. lieu va tham ((xuc van) OR (luc van)) hanh di su triet*.