Perhaps you should try some spelling variations:
dung tren » dung trong, dung trung
ban manh » ban hanh, van manh, ban mach
manh hai » lanh hai, minh hai, thanh hai
danh xay » dang xay, manh xay, anh xay
cuu tre » cau tren, cau treo
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
xuc ban » duc ban, cuc ban, quoc ban
qua cam » qua cham, qua cac, qua ca
xay hoi » xa hoi, tay hoi, cay phoi
ky danh » ky anh, ky dang
cua tre » cua te, cua triet, dua tren

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 danh xay hoi. hieu qua cam xuc ban manh hai ((dung tren) or (((cuu tre) or (cua tre))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky danh xay hoi. hieu qua cam xuc ban manh hai ((dung tren) OR (((cuu tre) OR (cua tre)))).
• Adding a wildcard symbol may retrieve word variants: tu sach ky danh xay hoi. hieu qua cam xuc ban manh hai ((dung tren) or (((cuu tre) or (cua tre))))*.