Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
phuong van » phung van, phong van, phuong lan
hanh ban » thanh ban, hang ban, hanh san
cua thoi » cua hoi, cua toi, cua khoi
van than » van thanh, van thang, van tuan
than cau » toan cau, phan cau, than cap
cua thi » cua toi, cua chi, cua phi

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