Perhaps you should try some spelling variations:
van dinh » van minh, van dich, va dinh
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
vu dinh » quy dinh
cua tuc » cua duc, cua tu, cua thuoc
hieu va » lieu va
tu nang » tru nang, tu nong, tu nano
co xuc » co xuoc, co xua
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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 tu nang x hoi. ((hieu va) or (hieu qua)) co xuc ((vu dinh) or (van dinh)) vi cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu nang x hoi. ((hieu va) OR (hieu qua)) co xuc ((vu dinh) OR (van dinh)) vi cua tuc.
• Adding a wildcard symbol may retrieve word variants: te sach tu nang x hoi. ((hieu va) or (hieu qua)) co xuc ((vu dinh) or (van dinh)) vi cua tuc*.