Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
cham xuc » cam xuc, chat xuc, cham soc
va thanh » gia thanh, ban thanh, va tinh
tao khoi » thao khoa, lao khoa, tao boi
tu sach » thu sach, su sach, te sach
cua tre » cuu tre, cua triet, dua tren
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
sach ky » sac ky, sach y, sach ty
tao hoi » tao boi, tay hoi, thao hoc
ky sang » ky nang, ky dang, ky tang
xuc va » duc va, tuc va, luc va
cua te » cua tu

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 ky sang ((tao hoi) OR (tao khoi)). hieu ve cham xuc va thanh lap ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky sang ((tao hoi) OR (tao khoi)). hieu ve cham xuc va thanh lap ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky sang ((tao hoi) OR (tao khoi)). hieu ve cham xuc va thanh lap ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky sang ((tao hoi) OR (tao khoi)). hieu ve cham xuc va thanh lap ((cua tre) or (cua te))*.