Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ve triet » va trien, su triet
thuc dan » thuc hanh, hoc dan, thuc vat
dan hanh » dang hanh, dan khanh, dan thanh
cac thuc » cach thuc, cac thu, can thuc
hieu ve » hieu van
hieu va » lieu va, hieu qua
sach ly » sach y, sach lo, sach ty
nang xa » nang x, lang xa, nang ma
hanh di » hanh vi, hanh de, hang di
ly nang » ky nang, ly hang, ly vang
so sach » so sanh, bo sach, co sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ly nang xa hoi. ((hieu ve) or (hieu va)) cac thuc dan hanh di ((cua triet) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ly nang xa hoi. ((hieu ve) OR (hieu va)) cac thuc dan hanh di ((cua triet) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: so sach ly nang xa hoi. ((hieu ve) or (hieu va)) cac thuc dan hanh di ((cua triet) or (ve triet))*.