Perhaps you should try some spelling variations:
luong thanh » muong thanh, truong thanh, dong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
huong manh » duong manh, hung manh, luong manh
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh vat » trinh van, trinh luat, sinh vat
trinh va » trinh van, trinh ve, trinh vi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((trinh va) OR (trinh vat)) nhung ((huong manh) OR (luong thanh)) van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh ((trinh va) OR (trinh vat)) nhung ((huong manh) or (luong thanh)) van ban~".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((trinh va) OR (trinh vat)) nhung ((huong manh) or (luong thanh)) van ban*.