Perhaps you should try some spelling variations:
chat thom » chat thai, chat hoa, chat cho
toc sach » hoc sach, doc sach, thuoc sach
nhan luc » nang luc
van anh » van thanh, tuan anh, van minh
nam luc » nang luc, nam thuc, nam duoc
cua tre » cua te, cuu tre, cua triet
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
anh vi » hanh vi, anh va, anh ve
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: toc sach v nang ((cau hoi) or (chat thom)). lieu va ((nam luc) or (nhan luc)) van anh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach v nang ((cau hoi) OR (chat thom)). lieu va ((nam luc) OR (nhan luc)) van anh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: toc sach v nang ((cau hoi) or (chat thom)). lieu va ((nam luc) or (nhan luc)) van anh vi cua tre*.