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
chinh cau » chinh chau, chinh can, chinh tai
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
chinh ca » chinh ta, chinh va, chinh tai

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 cau) OR (chinh ca))~.
• 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 cau) OR (chinh ca)).
• 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 cau) OR (chinh ca))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (mot chieu)) xanh - hanh tranh cua dung cong dan ((chinh cau) OR (chinh ca))*.