Perhaps you should try some spelling variations:
phan chuc » pham chuc, phan khuc, phan thuc
hanh tai » thanh tai, hang tai, han tai
sang tao » hang tai
sanh thu » sach thu, san thu, doanh thu
so sanh » do sanh
ve phan » va phan, ke phan, ve phat
tai cua » thai cua, tai cuc, tri cua
va hanh » van hanh, va thanh, va danh
chuc va » thuc va, thuc vat
hieu ve » hieu va, hieu van
nang ma » tang ma, nang cao, mang may
sang ma » tang ma, mang may, sang tai
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh thu ((((sang ma) OR (nang ma))) OR (sang tao)) hoi. hieu ve phan chuc va hanh tai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh thu ((((sang ma) OR (nang ma))) or (sang tao)) hoi. hieu ve phan chuc va hanh tai cua te~".
• Adding a wildcard symbol may retrieve word variants: so sanh thu ((((sang ma) OR (nang ma))) or (sang tao)) hoi. hieu ve phan chuc va hanh tai cua te*.