Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
tinh thuat » tinh thua, tinh chat, tinh than
tinh thai » sinh thai, tinh toan, tinh chat
dung cong » dung trong
thanh hai » thanh phan, thanh hoa, thanh san
cong dan » cong san, cong tan, huong dan
han tai » hang tai, nhan tai, van 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 xanh - nhanh ((tinh thuat) OR (tinh thai)) dung cong dan ((thanh hai) or (han tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - nhanh ((tinh thuat) OR (tinh thai)) dung cong dan ((thanh hai) OR (han tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - nhanh ((tinh thuat) OR (tinh thai)) dung cong dan ((thanh hai) or (han tai))".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - nhanh ((tinh thuat) OR (tinh thai)) dung cong dan ((thanh hai) or (han tai))*.