Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
tang thanh » dang thanh, trung thanh, hoang thanh
cua triet » cua viet, su triet, va triet
pham duy » pham duc
phan cua » nhan cua, than cua, phat cua
cham duc » pham duc, cham soc, phan duc
sach tu » sach thu, cach tu, sach ty
hieu ve » hieu va, hieu van
tong xi » thong xu, trong xu, tong thi
tu tong » tu tuong, tu trong, tu dong
tu sach » thu sach, su sach, te sach
xi hoi » xa hoi, bi hoi, di hoi

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 tong xi hoi. hieu ve ((cham duc) or (pham duy)) tang thanh phan cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu tong xi hoi. hieu ve ((cham duc) OR (pham duy)) tang thanh phan cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach tu tong xi hoi. hieu ve ((cham duc) or (pham duy)) tang thanh phan cua triet*.