Perhaps you should try some spelling variations:
tang lap » sang lap, tan lap, tang ap
su sach » so sach
cam tuc » cam xuc, cam tu, nam thuc
vu sach » vu bach, vu khach
ky tang » ky nang, ky dang, kho tang
lap lai » lap tai, lay lai, lam lai
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
tuc va » thuc va, truc va, tuc xa
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 tang lap lai. ((hieu ve) or (hieu va)) cam tuc va dan vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ky tang lap lai. ((hieu ve) OR (hieu va)) cam tuc va dan vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ky tang lap lai. ((hieu ve) or (hieu va)) cam tuc va dan vi cua te*.