Perhaps you should try some spelling variations:
danh thanh » dinh thanh, dang thanh, nhanh thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hien xanh » hien hanh, hien nhanh, hien khanh
tong danh » thong danh, trong danh, cong danh
thanh van » thanh san, thanh toan, thanh phan
tinh cua » trinh cua, sinh cua, tranh cua

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 (chieu xanh)) - hanh ((tinh cua) or (tinh chat)) han tong danh thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu xanh)) - hanh ((tinh cua) OR (tinh chat)) han tong danh thanh van.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (chieu xanh)) - hanh ((tinh cua) or (tinh chat)) han tong danh thanh van".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (chieu xanh)) - hanh ((tinh cua) or (tinh chat)) han tong danh thanh van*.