Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
sanh thu » sach thu, san thu, doanh thu
hanh vai » hanh vi, hanh va, hanh tai
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
chuc va » thuc va, thuc vat
so sanh » do sanh
tang ma » tang van
nang ma » sang ma, nang cao
hieu v » hieu va, hieu ve, hieu 2
v pham » vi pham, d pham
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh thu ((nang ma) OR (((tang ma) OR (mang may)))) hoi. hieu v pham chuc va hanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh thu ((nang ma) OR (((tang ma) OR (mang may)))) hoi. hieu v pham chuc va hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: so sanh thu ((nang ma) OR (((tang ma) OR (mang may)))) hoi. hieu v pham chuc va hanh vai cua te*.