Perhaps you should try some spelling variations:
nang lap » nang cap, sang lap, nang lam
su sach » so sach
vu sach » vu bach, vu khach
lap hai » lap tai, lap lai, lap hoat
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
ve cac » va cac, vien cac
vi cua » vai cua, di cua
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: ((su sach) or (vu sach)) ky nang lap hai. hieu ve cac duc va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ky nang lap hai. hieu ve cac duc va danh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ky nang lap hai. hieu ve cac duc va danh vi cua te*.