Perhaps you should try some spelling variations:
hanh dieu » han dieu, hinh dieu, hoang dieu
toc sach » hoc sach, doc sach, thuoc sach
sach tai » sach bai, sach tham, sach dao
tai nang » thi nang, tai lang, dai nang
van hanh » van thanh, ban hanh, van anh
dieu cua » dieu tra
nang xa » nang x, lang xa, nang ma
va chat » van chat, cao chat, hoa chat
xuc van » duc van, luc van, vuc van
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: toc sach tai nang xa hoi. hieu ((va chat) OR (va phat)) xuc van hanh dieu cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach tai nang xa hoi. hieu ((va chat) OR (va phat)) xuc van hanh dieu cua tre".
• Adding a wildcard symbol may retrieve word variants: toc sach tai nang xa hoi. hieu ((va chat) OR (va phat)) xuc van hanh dieu cua tre*.