Perhaps you should try some spelling variations:
tran thuoc » trang truoc, trien thuoc, trung thuoc
thuoc dung » hoc dung, thuy dung
doi chieu » doc hieu, doi chi, mot chieu
tinh tran » tinh trang, tinh toan, tinh than
dung cong » dung trong
cong thai » cong hai, hong thai, cong thanh
thai dan » thai doan, thai danh, thoai dan

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