Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
duong trong » dung trong
trong quan » thong quan, tong quan, thong quang
dien sach » dien anh
hien hanh » dieu hanh
cac duong » cau duong, cac tuong, cac dong
quan toan » quang toan, quan doan, xuan toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((dien sach) or (hien hanh)) - thanh trong cac duong trong quan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((dien sach) OR (hien hanh)) - thanh trong cac duong trong quan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((dien sach) or (hien hanh)) - thanh trong cac duong trong quan toan cao*.