Perhaps you should try some spelling variations:
tang lai » trang lai, tang tai, tang loi
te sach » toc sach
sach ky » sac ky, sach y, sach ty
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
cac luc » cau luc, coc luc, cac nuoc
hieu va » lieu va, hieu qua
lai hoi » dai hoi, lai hoa, lai roi
ky tang » ky nang, ky dang, kho tang
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky tang lai hoi. hieu va cac luc ((va hanh) or (va danh)) ((vi cua) or (di cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky tang lai hoi. hieu va cac luc ((va hanh) OR (va danh)) ((vi cua) OR (di cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky tang lai hoi. hieu va cac luc ((va hanh) or (va danh)) ((vi cua) or (di cua)) tre*.