Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
cham xuc » cam xuc, chat xuc, cham soc
hieu va » lieu va, hieu qua
va cham » va chat, va tham
nang ma » tang ma, sang ma, nang cao
xuc ban » duc ban, cuc ban, quoc ban
sach ky » sac ky, sach y, sach ty
banh vi » ban vi, benh vi, banh chi
cua tre » cua te, cuu tre, cua triet
te sach » toc sach
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ma hoi. hieu va cham xuc ban ((banh vi) OR (hanh vi)) ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ma hoi. hieu va cham xuc ban ((banh vi) OR (hanh vi)) ((cua tre) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang ma hoi. hieu va cham xuc ban ((banh vi) OR (hanh vi)) ((cua tre) or (su triet))".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ma hoi. hieu va cham xuc ban ((banh vi) OR (hanh vi)) ((cua tre) or (su triet))*.