Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
chat xuc » chat huu, cam xuc, chao xu
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, cac cuoc
tu sac » tu sach, tu cac, tu san
cua tu » cua tuc, cua su, cua cu
sac ky » cac ky, sai ky

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

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