Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh tai » thanh hai, thanh toan, doanh tai
nha thuoc » nha nuoc, nhan thuc, nha hoc
hanh vai » hanh vi, hanh va, hanh tai
dang xay » dang van, van xay
thuoc va » thuc va, thuoc ma, thuong va
nang xa » nang x, lang xa, nang ma
hieu le » hieu ve, hieu he, hieu ly
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
le nha » le nhat, ke nha, ly nha

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) or (dang xay)) hoi. hieu le nha thuoc va ((hanh vai) or (thanh tai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((nang xa) OR (dang xay)) hoi. hieu le nha thuoc va ((hanh vai) OR (thanh tai)) cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((nang xa) or (dang xay)) hoi. hieu le nha thuoc va ((hanh vai) or (thanh tai)) cua triet*.