Perhaps you should try some spelling variations:
thien van » thi van
hieu van » hieu va, lieu va, hieu ve
su triet » su viet, su tien, ve triet
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
danh vi » hanh vi, dinh vi, danh di
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
luc va » tuc va, loc va
vi su » va su, ve su, ki 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 sac ky dang xa hoi. ((hieu van) or (thien van)) tham ((luc va) or (duc va)) danh vi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky dang xa hoi. ((hieu van) OR (thien van)) tham ((luc va) OR (duc va)) danh vi su triet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky dang xa hoi. ((hieu van) or (thien van)) tham ((luc va) or (duc va)) danh vi su triet*.