Perhaps you should try some spelling variations:
van dinh » van minh, van dich, va dinh
cuu tre » cua tre, cau tren, cau treo
dinh vi » dinh ve, dinh viet, dinh tri
hoi van » hoi va, hoi dan, hai van
va cham » va chat, va tham
ve cham » ve chat, vu cham, ve chim
lang xa » lang ha, dang xay, lang van
sac ky » cac ky
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sai ky) OR (sac ky)) lang xa hoi. hieu ((ve cham) or (va cham)) hoi van dinh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sai ky) OR (sac ky)) lang xa hoi. hieu ((ve cham) OR (va cham)) hoi van dinh vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sai ky) OR (sac ky)) lang xa hoi. hieu ((ve cham) or (va cham)) hoi van dinh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sai ky) OR (sac ky)) lang xa hoi. hieu ((ve cham) or (va cham)) hoi van dinh vi cuu tre*.