Perhaps you should try some spelling variations:
van cham » van chat, van tham, va cham
nang cau » nang cao, hang cau, nang dau
tu sach » thu sach, su sach, tu cach
te sach » toc sach
thi van » thi lan, thi hanh, thi nang
va hanh » van hanh, va thanh, va danh
su tien » su kien, su hien, tu tieng
va dao » ca dao

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) or (te sach)) ky nang cau hoi. thi van cham soc ((va hanh) or (va dao)) lai su tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang cau hoi. thi van cham soc ((va hanh) OR (va dao)) lai su tien.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky nang cau hoi. thi van cham soc ((va hanh) or (va dao)) lai su tien*.