Perhaps you should try some spelling variations:
phuong hanh » phuong thanh, phuong anh, phuong hoang
phuong danh » phuong anh, phuong dinh, phuong thanh
tieu xanh » tieu danh, chieu xanh, dieu hanh
anh hanh » anh thanh, xanh hanh, anh anh
hanh cua » manh cua, hang cua, hanh sua
cua bang » chua bang, cua ban, cua dang
toan cau » toan cao, toan ban, toan tap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - anh hanh cua bang ((phuong danh) OR (phuong hanh)) toan cau~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - anh hanh cua bang ((phuong danh) OR (phuong hanh)) toan cau*.