Perhaps you should try some spelling variations:
sinh trong » sinh truong, sinh trung, dinh trong
cong thinh » cong trinh, cong thanh, cong tinh
trong thu » trong nha
dung cong » dung trong
thinh dan » thinh doan, trinh dan, hinh dan
doc hieu » hoc thieu, hoc hien
thu dung » thuy dung, thuc dung, thu dang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (toc thieu)) sang - sinh trong thu dung cong thinh dan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) sang - sinh trong thu dung cong thinh dan ca*.