Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
dang mat » dang vat, dang mau, dung mat
van hanh » van thanh, ban hanh, van anh
hanh dai » hanh tai, hanh dao, vanh dai
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
mat hoa » ma hoa, mai hoa, chat hoa
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ky dang mat hoa. ((hieu ve) or (lieu va)) cam xuc van hanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky dang mat hoa. ((hieu ve) OR (lieu va)) cam xuc van hanh dai cua te.
• Adding a wildcard symbol may retrieve word variants: toc sach ky dang mat hoa. ((hieu ve) or (lieu va)) cam xuc van hanh dai cua te*.