Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
loi chau » lai chau, loi cau, gioi chau
hang loi » thang loi, hang doi, tang loi
ban hang » ngan hang
chau tre » chay tren, chau tho, cho tre
hieu ve » hieu va, hieu van
xuc ban » duc ban, cuc ban, quoc ban
ty nang » ky nang, ty hang, ly nang
ve cam » ve cham, ve cac, va cam
o hoi » co hoi, o hoc, o hai
xang » dang, bang, tang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach ((ty nang) or (ty xang)) ((5 hoi) or (o hoi)). hieu ve cam xuc ban hang loi chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ((ty nang) OR (ty xang)) ((5 hoi) OR (o hoi)). hieu ve cam xuc ban hang loi chau tre.
• Adding a wildcard symbol may retrieve word variants: thuat sach ((ty nang) or (ty xang)) ((5 hoi) or (o hoi)). hieu ve cam xuc ban hang loi chau tre*.