Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
anh hoc » sinh hoc, benh hoc, hinh hoc
anh hoi » anh noi, anh khoa, danh hoa
duc ban » duc tan, duc van, dua ban
cam duc » cam xuc, cao duc, pham duc
hieu va » lieu va, hieu qua
ty nang » ky nang, ty hang, ly 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: tu sach ((ty nang) or (ty xang)) x hoi. hieu va cam duc ban ((anh hoi) or (anh hoc)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ty xang)) x hoi. hieu va cam duc ban ((anh hoi) OR (anh hoc)) cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) or (ty xang)) x hoi. hieu va cam duc ban ((anh hoi) or (anh hoc)) cua te*.