Perhaps you should try some spelling variations:
tang lap » sang lap, tan lap, tang ap
su sach » so sach, vu sach
cam luc » cam xuc, cau luc
so sanh » do sanh
ky tang » ky nang, ky dang, kho tang
lap hai » lap tai, lap lai, lap hoat
hieu ve » hieu van
hieu va » lieu va, hieu qua
vi cua » vai cua, di cua
dan vi » doan vi, don vi, dan va
va dan » ca dan, va dao, va dau
luc va » duc va, tuc va, loc va
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 (so sanh)) ky tang lap hai. ((hieu ve) or (hieu va)) cam luc va dan vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) ky tang lap hai. ((hieu ve) OR (hieu va)) cam luc va dan vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) ky tang lap hai. ((hieu ve) or (hieu va)) cam luc va dan vi cua te*.