Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
thu nang » thi nang, thu hang, thu bang
nang mai » nang ma, nang tai, lang mai
hanh tai » thanh tai, hang tai, han tai
hanh vai » hanh vi, hanh va, hanh van
hieu van » hieu va, thien van, lieu va
sanh thu » sach thu, san thu, doanh thu
so sanh » do sanh
chuc va » thuc va, thuc vat
hieu ve » hieu va
mai hoi » mai khoi, dai hoi, lai hoi
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 mai hoi. ((hieu ve) or (hieu van)) pham chuc va ((hanh vai) or (hanh tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh thu nang mai hoi. ((hieu ve) OR (hieu van)) pham chuc va ((hanh vai) OR (hanh tai)) cua te.
• Adding a wildcard symbol may retrieve word variants: so sanh thu nang mai hoi. ((hieu ve) or (hieu van)) pham chuc va ((hanh vai) or (hanh tai)) cua te*.