Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
cua triet » cua viet, su triet, va triet
sach kem » hanh kem
va thanh » gia thanh, ban thanh, va tinh
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
cac duc » cao duc, cac dac, cac nuoc
vai cua » dai cua, hai cua, lai cua
ma hoi » mai hoi, xa hoi, ma hoa

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 kem) or (cac ky)) nang ma hoi. hieu ve ((cac duc) OR (cac du)) va thanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach kem) OR (cac ky)) nang ma hoi. hieu ve ((cac duc) OR (cac du)) va thanh vai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach kem) or (cac ky)) nang ma hoi. hieu ve ((cac duc) OR (cac du)) va thanh vai cua triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach kem) or (cac ky)) nang ma hoi. hieu ve ((cac duc) OR (cac du)) va thanh vai cua triet*.