Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
trang cap » trung cap, trong cap, tranh chap
cap thong » cap tong, chap thuong, phap thong
den toan » dien toan, den tran, den tuan
dan toan » van toan, dan than, manh toan

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 xanh) or (hien hanh)) - hanh trang cap thong thong ((den toan) or (dan toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - hanh trang cap thong thong ((den toan) OR (dan toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - hanh trang cap thong thong ((den toan) or (dan toan)) cau*.