Perhaps you should try some spelling variations:
hang khoa » dung khoa
dung tren » dung trong, dung trung
thu sach » tu sach, thuat sach, thuoc sach
anh khoa » doanh khoa
hieu va » lieu va, hieu qua
xuc ban » duc ban, cuc ban, quoc ban
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao
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: thu sach y nang x hoi. hieu va cam xuc ban ((anh khoa) OR (hang khoa)) ((dung tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang x hoi. hieu va cam xuc ban ((anh khoa) OR (hang khoa)) ((dung tren) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y nang x hoi. hieu va cam xuc ban ((anh khoa) OR (hang khoa)) ((dung tren) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: thu sach y nang x hoi. hieu va cam xuc ban ((anh khoa) OR (hang khoa)) ((dung tren) or (cua te))*.