Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
cua tre » cua te, cuu tre, cua triet
vai cua » dai cua, hai cua, lai cua
qua ban » qua quan
hieu va » lieu va, hieu qua
sang ma » tang ma, nang ma, sang tao
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
tu sac » tu sach, tu cac, tu san

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky ((sang ma) or (mang may)) hoa. hieu va cam ((qua ban) OR (cua ban)) thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((sang ma) OR (mang may)) hoa. hieu va cam ((qua ban) OR (cua ban)) thanh vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((sang ma) or (mang may)) hoa. hieu va cam ((qua ban) OR (cua ban)) thanh vai cua tre*".