Perhaps you should try some spelling variations:
lap hoat » tap hoa, dan hoat, lap dat
bo sach » co sach, hoc sach
va tinh » may tinh
ky sang » ky nang, ky tang, duy sang
ky dang » ky nang, ky danh
hieu ve » hieu va, hieu van
cam luc » cam xuc, cau luc
va dinh » van dinh, va kinh, vu dinh
vi cua » vai cua, di cua
ve cam » ve cham, ve cac, va cam
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: bo sach ((ky sang) or (ky dang)) lap hoat. hieu ve cam luc ((va dinh) or (va tinh)) vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach ((ky sang) OR (ky dang)) lap hoat. hieu ve cam luc ((va dinh) OR (va tinh)) vi cua te.
• Adding a wildcard symbol may retrieve word variants: bo sach ((ky sang) or (ky dang)) lap hoat. hieu ve cam luc ((va dinh) or (va tinh)) vi cua te*.