Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hanh tranh » canh tranh, hanh trinh, hanh trang
mot chieu » doi chieu, ho chieu
tranh cua » doanh cua, manh cua
dung cong » dung trong
dan chinh » dang chinh, lan chinh, ban chinh
van chinh » va chinh, lan chinh, van thinh
cua dung » cua dang, cua dong, qua dung

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

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