Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
cong tham » chong tham, cong thai, hong tham
tham dung » pham dung, tham cung, tham nhung
dung cong » dung trong
cong dung » cuong dung, cong dong, cong luong
dung phan » dung nhan, dung luan, dung ha
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) sach - thanh cong tham dung cong dung phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - thanh cong tham dung cong dung phan dau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) sach - thanh cong tham dung cong dung phan dau*.