Perhaps you should try some spelling variations:
cham vuc » cham soc, pham duc, cham cuu
van hanh » van thanh, ban hanh, van anh
su triet » su viet, su tien, ve triet
thu san » thuy san, thu ban, phu san
ky dang » ky nang
ky danh » ky anh
va cham » va chat, va tham
vuc van » duc van, luc van, thuc van
hanh di » hanh vi, hanh de, hang di
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: thu san ((ky dang) OR (ky danh)) xa hoi. lieu va cham vuc van hanh di su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu san ((ky dang) OR (ky danh)) xa hoi. lieu va cham vuc van hanh di su triet".
• Adding a wildcard symbol may retrieve word variants: thu san ((ky dang) OR (ky danh)) xa hoi. lieu va cham vuc van hanh di su triet*.