Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
canh tinh » hanh tinh, manh tinh, canh tranh
tinh thai » sinh thai, tinh toan, tinh chat
thai dong » thai cong, thai long, thai muong
trong tan » trong quan, trong cac, cong tan
trong ca » trong cac, trong nha
tran cau » tran chau, toan cau, ran cau

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 - canh tinh thai dong ((trong tan) or (trong ca)) tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - canh tinh thai dong ((trong tan) OR (trong ca)) tran cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - canh tinh thai dong ((trong tan) or (trong ca)) tran cau*.