Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
ve triet » va trien, su triet
sang tao » hang tai
phan ve » phan le, phan va, pha ve
duc gia » quoc gia
cac duc » cac du, cao duc, cac dac
hieu va » lieu va, hieu qua
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van

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 ty ((nang xa) or (sang tao)) hoi. ((hieu ve) or (hieu va)) cac duc gia thanh phan ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((nang xa) OR (sang tao)) hoi. ((hieu ve) OR (hieu va)) cac duc gia thanh phan ve triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((nang xa) or (sang tao)) hoi. ((hieu ve) or (hieu va)) cac duc gia thanh phan ve triet*.