Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
te sach » toc sach
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
hieu va » hieu qua
tang ha » lang ha, tang ma, trung ha
ky tang » ky nang, ky dang, kho tang
cua tre » cua te, cuu tre, cua triet
ha hoi » hoa hoi, ha noi, xa hoi
vi cua » vai cua, di 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 ha hoi. ((hieu va) or (lieu va)) cham tuc ((va danh) OR (va hanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky tang ha hoi. ((hieu va) OR (lieu va)) cham tuc ((va danh) OR (va hanh)) vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky tang ha hoi. ((hieu va) or (lieu va)) cham tuc ((va danh) OR (va hanh)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky tang ha hoi. ((hieu va) or (lieu va)) cham tuc ((va danh) OR (va hanh)) vi cua tre*.