Perhaps you should try some spelling variations:
cong chuc » cong thuc, cong cu, cong cua
chuc dung » thuc dung, thuoc dung, chuc nang
dung cong » dung trong
cong nhan » cong nhat, cong thanh, cong san
nhan phan » than phan, nhan chan, phan phan
ho chieu » theo chieu, hoc thieu, mot chieu
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (toc thieu)) sach - thanh cong chuc dung cong nhan phan lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (toc thieu)) sach - thanh cong chuc dung cong nhan phan lap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (toc thieu)) sach - thanh cong chuc dung cong nhan phan lap*.