Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
hanh vai » hanh vi, hanh va, hanh tai
nang dai » nang dau, nang tai, lang dai
so sach » bo sach, co sach, hoc sach
va hanh » van hanh, va thanh, va danh
chuc va » thuc va, thuc vat
ve pham » vi pham, v pham, ve phan
hieu ve » hieu va, hieu van
dai hoi » dai hoc, dai hai, dai moi
ki nang » ky nang
so sanh » do sanh
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (so sanh)) ki nang dai hoi. hieu ve pham chuc va hanh vai ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (so sanh)) ki nang dai hoi. hieu ve pham chuc va hanh vai ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) or (so sanh)) ki nang dai hoi. hieu ve pham chuc va hanh vai ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (so sanh)) ki nang dai hoi. hieu ve pham chuc va hanh vai ((cua te) OR (cua tu))*.