Perhaps you should try some spelling variations:
hien nhanh » thien thanh, tien thanh, dien thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hien hanh » dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
ung duong » ung dung, tuong duong, cuong duong
duong van » duong va, luong va, dang van
tang cua » mang cua, hang cua, tang luan
van toan » van tuan, van tan, van thanh
toan ban » van ban
cua ung » cua rung, cua ong, cua nhung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((hien nhanh) OR (hien hanh))) or (chieu xanh)) - hanh tang cua ung duong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hien nhanh) OR (hien hanh))) OR (chieu xanh)) - hanh tang cua ung duong van toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hien nhanh) OR (hien hanh))) or (chieu xanh)) - hanh tang cua ung duong van toan ban*".