Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
va dinh » van dinh, va kinh, va tinh
ky sang » ky nang, ky dang, duy sang
ky tang » ky nang, ky dang, kho tang
lap hai » lap tai, lap lai, lap hoat
hieu ve » hieu va, hieu van
va danh » va dan, va hanh, dia danh
vi cua » vai cua, di cua
ve cam » ve cham, ve cac, va cam
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ((ky sang) or (ky tang)) lap hai. hieu ve cam xuc ((va danh) or (va dinh)) vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((ky sang) OR (ky tang)) lap hai. hieu ve cam xuc ((va danh) OR (va dinh)) vi cua tu.
• Adding a wildcard symbol may retrieve word variants: vu sach ((ky sang) or (ky tang)) lap hai. hieu ve cam xuc ((va danh) or (va dinh)) vi cua tu*.