Perhaps you should try some spelling variations:
tang tai » hang tai, dung tai, sang tao
van tham » van thanh, van tuan, van chat
te sach » toc sach
tai hoi » tai khoi, dai hoi, tai hai
va tham » va cham, va thanh, va thuat
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
y tang » ky tang, 6 tang, 7 tang
soc va » hoc va, loc va, doc va
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: te sach y tang tai hoi. lieu ((va tham) or (van tham)) soc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y tang tai hoi. lieu ((va tham) OR (van tham)) soc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y tang tai hoi. lieu ((va tham) or (van tham)) soc va hanh vi cua tre*.