Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
dua tren » dung tren
ty lang » tay lang, ty hang, tu lang
hieu va » lieu va, hieu qua
xuc ban » duc ban, cuc ban, quoc ban
ban anh » ban hanh, ban banh, ban danh
anh hoi » anh noi, anh hoc, anh khoa
va cam » va cham, va cac, va cao
cua te » cua tu

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 ((ty lang) or (ty xang)) xa hoi. hieu va cam xuc ban anh hoi ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((ty lang) OR (ty xang)) xa hoi. hieu va cam xuc ban anh hoi ((dua tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: thu sach ((ty lang) or (ty xang)) xa hoi. hieu va cam xuc ban anh hoi ((dua tren) or (cua te))*.