Perhaps you should try some spelling variations:
nang hai » hang hai, nang tai, dang hai
thi cham » thi hai, toc cham, thi ha
cau treo » cau theo, cau tren, cau triet
hai hoi » dai hoi, hai moi, hai hai
va cham » va chat, va tham
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang hai hoi. hieu ((va cham) or (thi cham)) hoc va danh vi ((cua tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang hai hoi. hieu ((va cham) OR (thi cham)) hoc va danh vi ((cua tre) OR (cau treo)).
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang hai hoi. hieu ((va cham) or (thi cham)) hoc va danh vi ((cua tre) or (cau treo))*.