Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
pham chuc » pham duc, pham huu, kham chua
thi nang » thi cong, ki nang, thi hanh
va thanh » gia thanh, ban thanh, va tinh
vai cua » dai cua, hai cua, lai cua
nang ma » tang ma, sang ma, nang cao
hieu vi » hieu voi, hieu va, hien vi
chuc va » thuc va, thuc vat
hieu ve » hieu va, hieu van
cua te » cua tu
ma hoi » mai hoi, xa hoi, ma hoa

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