Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
su sach » so sach, vu sach
ky dang » ky nang
ky danh » ky anh
hieu va » lieu va, hieu qua
xuc ban » duc ban, cuc ban, quoc ban
doi cua » dai cua, hoi cua
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((ky dang) or (ky danh)) xa hoi. hieu va cam xuc ban thanh ((vi cua) or (doi cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ky dang) OR (ky danh)) xa hoi. hieu va cam xuc ban thanh ((vi cua) OR (doi cua)) tre.
• Adding a wildcard symbol may retrieve word variants: su sach ((ky dang) or (ky danh)) xa hoi. hieu va cam xuc ban thanh ((vi cua) or (doi cua)) tre*.