Perhaps you should try some spelling variations:
cam truc » cau truc, nam truc, lam truoc
te sach » toc sach
lang xa » dang xay, lang van
lang ha » long ha
hieu ve » hieu va, hieu van
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
cua tuc » cua duc, cua tu, cua thuoc
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di cua

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((lang xa) OR (lang ha)) hoi. hieu ve cam truc va hanh vi cua tuc~".
• Adding a wildcard symbol may retrieve word variants: te sach y ((lang xa) OR (lang ha)) hoi. hieu ve cam truc va hanh vi cua tuc*.