Perhaps you should try some spelling variations:
thuoc dieu » thuc dieu, hoc dieu, thuat dieu
dieu danh » dieu hanh, tieu danh, dia danh
thong cua » thong quan, thong tu, huong cua
tang luan » dung luan
hang cong » dang cong, hang nong, bang cong
van toan » van tan, van thanh, manh toan
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc dieu danh - hanh ((thong cua) or (tang luan)) hang cong ((van toan) or (van tuan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc dieu danh - hanh ((thong cua) OR (tang luan)) hang cong ((van toan) OR (van tuan)) cao.
• Adding a wildcard symbol may retrieve word variants: thuoc dieu danh - hanh ((thong cua) or (tang luan)) hang cong ((van toan) or (van tuan)) cao*.