Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh han » hanh nhan, hanh phan, hanh san
cua bang » chua bang, cua ban, cua dang
cong dan » cong san, cong tan, cong dong
toan cau » toan cao, toan ban, toan tap
han cua » hang cua, nhan cua, than cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu manh) or (chieu tinh)) - hanh han cua bang ((cong dan) OR (huong dan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu tinh)) - hanh han cua bang ((cong dan) OR (huong dan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu manh) or (chieu tinh)) - hanh han cua bang ((cong dan) OR (huong dan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu tinh)) - hanh han cua bang ((cong dan) OR (huong dan)) toan cau*.