Perhaps you should try some spelling variations:
thanh tay » thanh tai, thanh toan, thanh thuy
ky thanh » ky hanh, ty thanh, y thanh
cau tren » cu tren, dau tren, ca tren
van hanh » van thanh, ban hanh, van anh
tu sach » thu sach, su sach, te sach
hanh ve » hanh vi, hanh va, hanh kem
co tren » cu tren, do tren, ca tren
sach ky » sac ky, sach y, sach ty
cam luc » cau luc
tay hoi » tay ho, tao hoi, tay thai

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 thanh tay hoi. lieu va ((cam luc) or (cam xuc)) van hanh ve ((cau tren) or (co tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky thanh tay hoi. lieu va ((cam luc) OR (cam xuc)) van hanh ve ((cau tren) OR (co tren)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky thanh tay hoi. lieu va ((cam luc) or (cam xuc)) van hanh ve ((cau tren) or (co tren))*.