Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
tieu xanh » tieu danh, chieu xanh, dieu hanh
trang cua » tranh cua, tang cua, trung cua
tuong tan » truong tan, trong tan, tuong dan
tuong tac » cong tac, luong tai, tuong lai
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 trang cua vat ((tuong tan) OR (tuong tac)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh trang cua vat ((tuong tan) OR (tuong tac)) toan cau*".