Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
tuc van » thuc van, truc van, tuc va
van anh » van thanh, tuan anh, van minh
ma hoi » xa hoi, ma hoa, me hoi
ve cam » ve cham, ve cac, va cam
anh vi » hanh vi, anh va, anh ve
vi cau » va cau, ve cau, di cau

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 ((ma hoi) or (mai hoi)). hieu ve cam tuc van anh vi cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((ma hoi) OR (mai hoi)). hieu ve cam tuc van anh vi cau tren*.