Perhaps you should try some spelling variations:
tinh trong » trinh trong, dinh trong, sinh trong
trong thuc » trong thu, thuong thuc, trong thuat
cong thinh » cong trinh, cong thanh, cong tinh
thuc dung » thuoc dung, thuy dung, tuc dung
dung cong » dung trong
thinh dan » thinh doan, trinh dan, hinh dan
ho chieu » theo chieu, hoc thieu, mot chieu

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)) sang - tinh trong thuc dung cong thinh dan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (toc thieu)) sang - tinh trong thuc dung cong thinh dan ca*.