Perhaps you should try some spelling variations:
cach thuce » sach thue
pham chuc » pham duc, pham huu, kham chua
cach thuc » anh thuc, cac thu
hanh vai » hanh vi, hanh va, hanh tai
va hanh » van hanh, va thanh, va danh
ve pham » vi pham, v pham, ve phan
chuc va » thuc va, thuc vat
hieu ve » hieu va, hieu van
cao hoi » cau hoi, co hoi, cao hoc
cua te » cua tu
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((cach thuc) or (cach thuce)) nang cao hoi. hieu ve pham chuc va hanh vai ((cua te) or (cua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((cach thuc) OR (cach thuce)) nang cao hoi. hieu ve pham chuc va hanh vai ((cua te) OR (cua su)).
• Adding a wildcard symbol may retrieve word variants: so ((cach thuc) or (cach thuce)) nang cao hoi. hieu ve pham chuc va hanh vai ((cua te) or (cua su))*.