Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
thong dan » tuong dan, thong den, trong dan
thong van » trong van, thong va, thong quan
than cao » toan cao, thai cao, than cap

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 xanh) or (chinh sach)) - hanh trung cua cong ((thong dan) OR (thong van)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chinh sach)) - hanh trung cua cong ((thong dan) OR (thong van)) than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chinh sach)) - hanh trung cua cong ((thong dan) OR (thong van)) than cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chinh sach)) - hanh trung cua cong ((thong dan) OR (thong van)) than cao*.