Perhaps you should try some spelling variations:
vu dinh » quy dinh
co xuoc » co duoc, co nuoc, co xuong
sach tu » sach thu, sach ty, sach uu
hieu va » lieu va, hieu qua
nong xa » song xa, dong xa, nong va
cach tu » cach thuc
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu
va co » vo co

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) OR (cach tu)) nong xa hoi. hieu va co xuoc ((vu dinh) or (van dich)) vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach tu) OR (cach tu)) nong xa hoi. hieu va co xuoc ((vu dinh) OR (van dich)) vi cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach tu) OR (cach tu)) nong xa hoi. hieu va co xuoc ((vu dinh) or (van dich)) vi cua tu".
• Adding a wildcard symbol may retrieve word variants: te ((sach tu) OR (cach tu)) nong xa hoi. hieu va co xuoc ((vu dinh) or (van dich)) vi cua tu*.