Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
te sach » toc sach
va cham » va chat, va tham
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
vi cau » va cau, ve cau, di cau
x hoi » xa hoi, o hoi, x ho

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 y nang x hoi. hieu ((ve cam) or (va cham)) duc va danh vi cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. hieu ((ve cam) OR (va cham)) duc va danh vi cau tren.
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu ((ve cam) or (va cham)) duc va danh vi cau tren*.