Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
vat danh » va danh, van danh, luat danh
danh vai » danh sai, danh va, doanh van
va triet » va thiet, va trien, ve triet
sach ty » sach y, sach tu, sach thu
nang ra » nang ma, lang ra, nang ro
hieu ve » hieu va, hieu van
ra hoi » ra khoi, xa hoi, va hoi
ve am » va am
thuc » thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ty) or (cac ky)) nang ra hoi. hieu ve am thuc vat danh vai ((cua triet) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ty) OR (cac ky)) nang ra hoi. hieu ve am thuc vat danh vai ((cua triet) OR (va triet)).
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) or (cac ky)) nang ra hoi. hieu ve am thuc vat danh vai ((cua triet) or (va triet))*.