Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
hanh va » hang va, hanh vi
xa hanh » xa thanh, xa khanh, va hanh
sach tu » sach thu, sach ty, sach uu
cuu tre » cua tre, cau tren, cau treo
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
cach tu » cach thuc
co tuc » co thuc, co tu, co toc
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)) nang xa hoi. hieu va co tuc xa hanh va ((va triet) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach tu) OR (cach tu)) nang xa hoi. hieu va co tuc xa hanh va ((va triet) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te ((sach tu) or (cach tu)) nang xa hoi. hieu va co tuc xa hanh va ((va triet) or (cuu tre))*.