Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
cham xuc » cam xuc, chat xuc, cham soc
va cham » va chat, va tham
xuc ban » duc ban, cuc ban, quoc ban
ban anh » ban hanh, ban banh, ban danh
tu sach » thu sach, su sach, te sach
v nang » va nang, vu nang, van nang
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, may nang
anh vi » hanh vi, anh va, anh ve

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

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