Perhaps you should try some spelling variations:
lam truoc » lam thuoc, nam truoc, lam truong
sach tay » xach tay, sach hay, sach nay
tay tang » tay lang, tay trung, tay quang
van hanh » van thanh, ban hanh, van anh
cam truc » cau truc, nam truc, nam truoc
hieu van » thien van, lieu va, hieu ve
te sach » toc sach
hieu va » lieu va, hieu qua
tang xa » trang xa, tang ma, lang xa
cua tuc » cua duc, cua tu, cua thuoc
vi cua » vai cua, di cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tay tang xa hoi. ((hieu va) OR (hieu van)) ((cam truc) OR (lam truoc)) van hanh vi cua tuc~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tay tang xa hoi. ((hieu va) or (hieu van)) ((cam truc) OR (lam truoc)) van hanh vi cua tuc~".
• Adding a wildcard symbol may retrieve word variants: te sach tay tang xa hoi. ((hieu va) or (hieu van)) ((cam truc) OR (lam truoc)) van hanh vi cua tuc*.