Perhaps you should try some spelling variations:
nha thuoc » nha nuoc, nhan thuc, nha hoc
cua triet » cua viet, su triet, va triet
hanh vai » hanh vi, hanh va, hanh van
hanh tai » thanh tai, hang tai, han 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 sai » tu bai, tu san, tu cai
sai ky » sac 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 sai ky ((nang xa) OR (dang xay)) hoi. hieu le nha thuoc va ((hanh vai) OR (hanh tai)) cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky ((nang xa) OR (dang xay)) hoi. hieu le nha thuoc va ((hanh vai) OR (hanh tai)) cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sai ky ((nang xa) OR (dang xay)) hoi. hieu le nha thuoc va ((hanh vai) OR (hanh tai)) cua triet*.