Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
loi chau » lai chau, gioi chau, loai chat
ban hang » ngan hang
cac xuc » cam xuc, cac nuoc, chat xuc
loi cau » loi ca, hoi cau, loi can
xuc ban » duc ban, cuc ban, quoc ban
hieu ve » hieu va, hieu van
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) OR (loi cau)) tre~.
• 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) OR (loi cau)) tre.
• 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) OR (loi cau)) tre".
• 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) OR (loi cau)) tre*.