Perhaps you should try some spelling variations:
dung tay » dung tai, dung may, vung tay
ban danh » ban doanh, ban hanh, ban dan
te sach » toc sach
cam duc » cam xuc, cao duc, pham duc
ban anh » ban hanh, ban banh, bang anh
hieu ve » hieu va, hieu van
dan tay » ban tay, dao tay, gian tay
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y ((dung tay) or (dan tay)) hoi. hieu ve cam duc ((ban anh) OR (ban danh)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((dung tay) OR (dan tay)) hoi. hieu ve cam duc ((ban anh) OR (ban danh)) dai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((dung tay) or (dan tay)) hoi. hieu ve cam duc ((ban anh) OR (ban danh)) dai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y ((dung tay) or (dan tay)) hoi. hieu ve cam duc ((ban anh) OR (ban danh)) dai cua tre*.