Perhaps you should try some spelling variations:
thanh doi » thanh loi, thanh moi, thanh do
su triet » su viet, su tien, ve triet
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
cua tre » cua te, cuu tre, cua triet
cam tuc » cam xuc, cam tu, nam thuc
van cam » van nam, van lam, van cau
tuc va » thuc va, truc va, tuc xa
tu san » thu san, tu ban, tu can
tu sac » tu sach, tu cac, tu bac
x hoi » xa hoi, o hoi, x ho

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) or (tu san)) ky nang x hoi. hieu van cam tuc va thanh doi ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky nang x hoi. hieu van cam tuc va thanh doi ((cua tre) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu san)) ky nang x hoi. hieu van cam tuc va thanh doi ((cua tre) or (su triet))*.