Perhaps you should try some spelling variations:
van dinh » van minh, van dich, va dinh
te sach » toc sach
van cau » van dau, van hau, van chat
dinh vi » dinh ve, dinh viet, dinh tri
duc van » duc va, duc tan, duc manh
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
luu tre » luu tru, cuu tre, luy tre
vi luu » vi lua

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 y ((nang xa) OR (nang ma)) hoi. thi ((van dao) or (van cau)) duc van dinh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((nang xa) OR (nang ma)) hoi. thi ((van dao) OR (van cau)) duc van dinh vi luu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((nang xa) OR (nang ma)) hoi. thi ((van dao) or (van cau)) duc van dinh vi luu tre*".