Perhaps you should try some spelling variations:
thuc thang » thuc trang, thu thang, thuc thanh
thang khan » khang khuan, thang thanh, thanh phan
doi chieu » doc hieu, doi chi, mot chieu
dung cong » dung trong
cong thuc » cong tac
phan dat » phan dau, phan dai, phan day
dat dung » dan dung, vat dung, da dung
khan cap » khan ap, than cap, khoan cam

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 - phan dat dung cong thuc thang khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - phan dat dung cong thuc thang khan cap.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) sach - phan dat dung cong thuc thang khan cap*.