Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
thanh van » thanh san, thanh phan, thanh nhan
cau treo » cau theo, cau tren, cau triet
toc sach » hoc sach, doc sach, thuoc sach
cam luc » cam xuc, cau luc
luc gia » luoc gia, duc gia, quoc gia
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
nang o » nang co, nang ho, nang ro
y nang » ky nang, ly nang, v nang
o hoc » co hoc, mo hoc, so hoc

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) OR (toc sach)) y nang o hoc. hieu ve cam luc gia ((thanh van) or (thanh toan)) cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) y nang o hoc. hieu ve cam luc gia ((thanh van) OR (thanh toan)) cau treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) y nang o hoc. hieu ve cam luc gia ((thanh van) or (thanh toan)) cau treo".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) y nang o hoc. hieu ve cam luc gia ((thanh van) or (thanh toan)) cau treo*.