Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
nang tai » hang tai, tang tai, sang tai
tai khoa » da khoa, noi khoa
tu sach » thu sach, su sach, te sach
vai cua » dai cua, hai cua, lai cua
dua ban » cua ban, qua ban, mua ban
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao

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 nang tai khoa. hieu ((ve cam) or (va cam)) ((dua ban) or (dia ban)) thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang tai khoa. hieu ((ve cam) OR (va cam)) ((dua ban) OR (dia ban)) thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang tai khoa. hieu ((ve cam) or (va cam)) ((dua ban) or (dia ban)) thanh vai cua tre*.