Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
thanh lai » thanh hai, thanh lap, thanh loi
ta thanh » tai thanh, va thanh, ha thanh
chat tuc » chat xuc, luat tuc, chat huu
hieu van » hieu va, thien van, lieu va
van chat » cao chat
nang xa » nang x, lang xa, nang ma
sach tu » sach thu, sach ty, sach uu
cach tu » cach thuc
cua tre » cua te, cuu tre, cua triet
tuc ta » tuc tap, tuc tao, tuc tat

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach tu) or (cach tu)) nang xa hoi. hieu van chat tuc ta thanh lai ((cua tre) or (cau triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach tu) OR (cach tu)) nang xa hoi. hieu van chat tuc ta thanh lai ((cua tre) OR (cau triet)).
• Adding a wildcard symbol may retrieve word variants: tu ((sach tu) or (cach tu)) nang xa hoi. hieu van chat tuc ta thanh lai ((cua tre) or (cau triet))*.