Perhaps you should try some spelling variations:
cua phuong » cuu phuong, cuc phuong, luan phuong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
cua khong » hua khong, cua thuong, cua cong
cong tan » cong tac, cong san, cong thanh
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh tang ((cua khong) or (cua phuong)) cong tan ((than cau) OR (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tang ((cua khong) OR (cua phuong)) cong tan ((than cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh tang ((cua khong) or (cua phuong)) cong tan ((than cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tang ((cua khong) or (cua phuong)) cong tan ((than cau) OR (toan cau))*.