Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
truc ban » thuc ban, truc dan, truc van
tuc ban » thuc ban, tu ban, tuc dan
ve cham » va cham, ve chat, vu cham
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
tu sac » tu sach, tu cac, tu san
vi va » vi van, vai va, vu 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 sac ky dang xa hoi. hieu ((va cam) or (ve cham)) ((tuc ban) or (truc ban)) hanh vi va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky dang xa hoi. hieu ((va cam) OR (ve cham)) ((tuc ban) OR (truc ban)) hanh vi va triet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky dang xa hoi. hieu ((va cam) or (ve cham)) ((tuc ban) or (truc ban)) hanh vi va triet*.