Perhaps you should try some spelling variations:
van viet » san viet, gian viet, tran viet
te sach » toc sach
ve cham » va cham, vu cham, ve chim
ve chat » va chat, van chat
va hanh » van hanh, va thanh, va danh
y nang » ky nang, ly nang, v nang
ve cam » ve cac, va cam, ve cai
xuc va » duc va, tuc va, luc va

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 ho. hieu ((ve cam) or (((ve cham) or (ve chat)))) xuc va hanh vi van viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x ho. hieu ((ve cam) OR (((ve cham) OR (ve chat)))) xuc va hanh vi van viet.
• Adding a wildcard symbol may retrieve word variants: te sach y nang x ho. hieu ((ve cam) or (((ve cham) or (ve chat)))) xuc va hanh vi van viet*.