Perhaps you should try some spelling variations:
nang tay » nang tai, nang tao, bang tay
minh hai » minh khai, tinh hai, manh hai
tu sach » thu sach, su sach, te sach
tay hoi » tay ho, tao hoi, tay thai
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
duc ban » duc tan, duc van, dua ban
qua ban » cua ban, qua quan
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang

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 tay hoi. hieu ve pham ((duc ban) or (qua ban)) minh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang tay hoi. hieu ve pham ((duc ban) OR (qua ban)) minh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang tay hoi. hieu ve pham ((duc ban) or (qua ban)) minh hai cua tre*.