Perhaps you should try some spelling variations:
thanh doi » thanh loi, thanh moi, thanh do
ban thanh » ban hanh, ban hang
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
cham xuc » cam xuc, chat xuc, cham soc
ky sang » ky nang, ky dang, ky tang
sang xa » song xa, lang xa, sang ma
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, dua tren
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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 sang xa hoi. hieu van cham xuc ban thanh doi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang xa hoi. hieu van cham xuc ban thanh doi ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang xa hoi. hieu van cham xuc ban thanh doi ((cua tre) or (cua triet))*.