Perhaps you should try some spelling variations:
kho tang » cao tang
chat vuc » chat xuc, chat huu, chat cua
van hanh » van thanh, ban hanh, van anh
sai kho » dai kho, tai khoa, dai khoa
tang ha » lang ha, tang ma, trung ha
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
tu sai » tu bai, tu san, tu cai
ha hoi » hoa hoi, ha noi, xa hoi
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: tu sai kho tang ha hoi. hieu ve ((chat vuc) OR (chat va)) van hanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai kho tang ha hoi. hieu ve ((chat vuc) OR (chat va)) van hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sai kho tang ha hoi. hieu ve ((chat vuc) OR (chat va)) van hanh vi cua tre*.