Perhaps you should try some spelling variations:
phan thuc » nhan thuc, phap thuc, pham thuc
van hanh » van thanh, ban hanh, van ban
canh may » canh tay, hanh may, anh mau
vai cua » dai cua, hai cua, lai cua
van anh » van thanh, tuan anh, van minh
ve phan » va phan, ke phan, ve phat
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((canh may) OR (mang may)) nang xa hoi. hieu ve phan thuc ((van hanh) or (van anh)) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((canh may) OR (mang may)) nang xa hoi. hieu ve phan thuc ((van hanh) OR (van anh)) vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((canh may) OR (mang may)) nang xa hoi. hieu ve phan thuc ((van hanh) or (van anh)) vai cua tre".
• Adding a wildcard symbol may retrieve word variants: so ((canh may) OR (mang may)) nang xa hoi. hieu ve phan thuc ((van hanh) or (van anh)) vai cua tre*.