Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
cau treo » cau theo, cau tren, cau triet
te sach » toc sach
hieu ve » hieu va, hieu van
xuc gia » luc gia, tuc gia, quoc gia
duc gia » quoc gia
van cau » van dau, van hau, van chat
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
x hoi » xa hoi, o hoi, 5 hoi

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