Perhaps you should try some spelling variations:
ve triet » va trien
su triet » su viet, su tien
van hanh » van thanh, ban hanh, van anh
cham vuc » cham soc, pham duc, cham cuu
nang xay » dang xay, nganh xay, nang xuan
xay hoi » xa hoi, tay hoi, cay phoi
va cham » va chat, va tham
vuc van » duc van, luc van, thuc van
hanh di » hanh vi, hanh de, hang di
tu can » tu ban, tu cac, thu canh
tu san » thu san, tu ban, vu san

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) or (tu can)) ky nang xay hoi. lieu va cham vuc van hanh di ((su triet) OR (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu can)) ky nang xay hoi. lieu va cham vuc van hanh di ((su triet) OR (ve triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu san) or (tu can)) ky nang xay hoi. lieu va cham vuc van hanh di ((su triet) OR (ve triet))*".