Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
dang bai » dung bai, dang hai, dang ba
bai khoi » bai choi, mai khoi, tai khoi
tinh tai » trinh tai, tinh thai, tinh hai
cuu tre » cua tre, cau treo
va tinh » may tinh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
tuc va » thuc va, truc va, tuc xa
va cam » va cham, va cac, va cao
ve cac » va cac, vien cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky dang bai khoi. hieu ((va cam) OR (ve cac)) tuc va tinh tai ((cuu tre) OR (cau tren))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky dang bai khoi. hieu ((va cam) or (ve cac)) tuc va tinh tai ((cuu tre) OR (cau tren))~".
• Adding a wildcard symbol may retrieve word variants: te sach ky dang bai khoi. hieu ((va cam) or (ve cac)) tuc va tinh tai ((cuu tre) OR (cau tren))*.