Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cac cuoc » cac nuoc, cac quoc, can cuoc
chat hoc » chat hoa, chat thom, cho hoc
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
ca cuoc » va cuoc, cho cuoc, dao cuoc
cua cau » cua cac, cua chu, cua cay
hieu ve » hieu va, hieu van
cao hoc » co hoc, cho hoc
tu nang » tru nang, tu nong, tu nano
vi cua » vai cua, di cua

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 tu nang ((cao hoc) OR (chat hoc)). hieu ve ((cac cuoc) or (ca cuoc)) van hanh vi cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu nang ((cao hoc) OR (chat hoc)). hieu ve ((cac cuoc) OR (ca cuoc)) van hanh vi cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu nang ((cao hoc) OR (chat hoc)). hieu ve ((cac cuoc) or (ca cuoc)) van hanh vi cua cau*".