Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
cao hoi » cau hoi, co hoi, tao hoi
cao hoc » co hoc, cho hoc, chat hoc
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
cac xuc » cam xuc, cac nuoc, cac cuoc
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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 ky nang ((cao hoi) OR (cao hoc)). hieu ve ((cac xuc) or (chat xuc)) van hanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((cao hoi) OR (cao hoc)). hieu ve ((cac xuc) OR (chat xuc)) van hanh vi cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang ((cao hoi) OR (cao hoc)). hieu ve ((cac xuc) or (chat xuc)) van hanh vi cua tu".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((cao hoi) OR (cao hoc)). hieu ve ((cac xuc) or (chat xuc)) van hanh vi cua tu*.