Perhaps you should try some spelling variations:
trong van » trong cac
su triet » su viet, su tien, ve triet
hanh vai » hanh vi, hanh va, hanh tai
hieu van » hieu va, thien van, lieu va
van cau » van dau, van hau, van chat
lang xa » lang ha, dang xay, lang van
sac ky » cac ky, sai ky
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
vai su » va su, van su, lai su
te sac » te sach, te cac, te san

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky ((lang xa) or (trong van)) hoi. hieu van cau ((xuc va) or (tuc va)) hanh vai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((lang xa) OR (trong van)) hoi. hieu van cau ((xuc va) OR (tuc va)) hanh vai su triet.
• Adding a wildcard symbol may retrieve word variants: te sac ky ((lang xa) or (trong van)) hoi. hieu van cau ((xuc va) or (tuc va)) hanh vai su triet*.