Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
cua viet » ca viet, hoa viet, cua vat
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
tu sac » tu sach, tu cac, tu san
loc va » hoc va
sac ky » cac ky, sai ky
luc va » duc va, tuc va
ve cam » ve cham, ve cac, va cam

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 nang xa hoi. hieu ve cam ((luc va) or (loc va)) hanh vi ((cua viet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu ve cam ((luc va) OR (loc va)) hanh vi ((cua viet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu ve cam ((luc va) or (loc va)) hanh vi ((cua viet) or (su triet))*.