Perhaps you should try some spelling variations:
anh luan » anh tuan, anh quan, anh xuan
tu sach » thu sach, su sach, te sach
ky hang » ky nang, ly hang, ty hang
ky dang » ky nang, ky danh
hoa hoi » khoa hoi, hoa hoc, hoa doi
qua cac » cua cac
luan vi » quan vi, luan va, luan ve
cua tre » cua te, cuu tre, cua triet
cac ly » cac ky, cac le, cam ly
ly anh » le anh
vi cua » vai cua, di cua

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 hang) or (ky dang)) hoa hoi. hieu qua cac ly anh luan vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky hang) OR (ky dang)) hoa hoi. hieu qua cac ly anh luan vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky hang) or (ky dang)) hoa hoi. hieu qua cac ly anh luan vi cua tre*.