Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hang loi » thang loi, hang doi, tang loi
ban hang » ngan hang
dung ban » dung san, dung dan, dong ban
cua tre » cuu tre, cua triet, dua tren
ve canh » van canh, ve thanh
sach ky » sac ky, sach y, sach ty
ve cach » va cach, ve cac
cua te » cua tu
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 ky nang x hoi. hieu ((ve cach) or (ve canh)) dung ban hang loi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ky nang x hoi. hieu ((ve cach) OR (ve canh)) dung ban hang loi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: thuat sach ky nang x hoi. hieu ((ve cach) or (ve canh)) dung ban hang loi ((cua tre) or (cua te))*.