Perhaps you should try some spelling variations:
chat thuc » thuat thuc, nhan thuc, chat thai
hieu van » hieu va, thien van, lieu va
van chat » cao chat
vat danh » va danh, van danh, luat danh
nang xa » nang x, lang xa, nang ma
sang ma » tang ma, nang ma, sang tao
danh vi » hanh vi, dinh vi, danh di
cua tre » cua te, cuu tre, cua triet
su sai » su tai, su hai, su dai
sai ky » sac ky
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: su sai ky ((nang xa) or (sang ma)) hoi. hieu van chat thuc vat danh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky ((nang xa) OR (sang ma)) hoi. hieu van chat thuc vat danh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: su sai ky ((nang xa) or (sang ma)) hoi. hieu van chat thuc vat danh vi cua tre*.