Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
chau tre » chay tren, cho tre, cau tra
hang loi » thang loi, hang doi, tang loi
ban hang » ngan hang
chau tho » chat thom, cau thi, phu tho
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc ban » duc ban, cuc ban, quoc ban
ty nang » ky nang, ty hang, ly nang
ve cac » va cac, vien cac
x hoi » xa hoi, o hoi, x ho

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)) x hoi. hieu ve cac xuc ban hang loi ((chau tre) OR (chau tho))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ((ty nang) OR (ty xang)) x hoi. hieu ve cac xuc ban hang loi ((chau tre) OR (chau tho)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ((ty nang) or (ty xang)) x hoi. hieu ve cac xuc ban hang loi ((chau tre) OR (chau tho))".
• Adding a wildcard symbol may retrieve word variants: thuat sach ((ty nang) or (ty xang)) x hoi. hieu ve cac xuc ban hang loi ((chau tre) OR (chau tho))*.