Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
tranh tuan » tran tuan, tranh luan, thanh tuan
hong phong » thong thong, phong chong, song hong
tuan hong » tuan hoang, tuan phong, tran hong
phong van » phung van, thong van, phong va
ban tap » bai tap, ban tai, ban tay
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (chiet tach)) - canh tranh tuan hong phong van ((ban tap) OR (han tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chiet tach)) - canh tranh tuan hong phong van ((ban tap) OR (han tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chiet tach)) - canh tranh tuan hong phong van ((ban tap) OR (han tap))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chiet tach)) - canh tranh tuan hong phong van ((ban tap) OR (han tap))*.