Perhaps you should try some spelling variations:
danh vai » danh sai, danh va, doanh van
va triet » va thiet, va trien, ve triet
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
ve cham » va cham, ve chat, vu cham
tu cham » toc cham, thi cham
va danh » va dinh, va dan, va hanh
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
vai va » mai va, dai va, hai va

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 xa hoi. hieu ((ve cham) or (tu cham)) hoc va danh vai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky lang xa hoi. hieu ((ve cham) OR (tu cham)) hoc va danh vai va triet.
• Adding a wildcard symbol may retrieve word variants: tu san ky lang xa hoi. hieu ((ve cham) or (tu cham)) hoc va danh vai va triet*.