Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
lam chat » luan chat, cao chat, ly chat
hanh lam » thanh lap, hanh kem, hanh va
van hanh » van thanh, ban hanh, van anh
chuc van » chu van, chuc va, thuc van
sanh thu » sach thu, san thu, doanh thu
so sanh » do sanh
hieu va » lieu va, hieu qua
chat tu » nhat tu, chai tu, chay tu
hieu ve » hieu van
tang ma » mang may, tang van
nang ma » sang ma, nang cao, mang may

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)) hoi. ((hieu ve) or (hieu va)) pham chuc van hanh lam chat tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh thu ((nang ma) OR (tang ma)) hoi. ((hieu ve) OR (hieu va)) pham chuc van hanh lam chat tu.
• Adding a wildcard symbol may retrieve word variants: so sanh thu ((nang ma) or (tang ma)) hoi. ((hieu ve) or (hieu va)) pham chuc van hanh lam chat tu*.