Perhaps you should try some spelling variations:
trong chuong » trong thuong, thong chuong, trong chong
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
quang tuan » quang thanh, quan luan, quang cua
chuong van » chuong han, phung van, duong van
hung tuan » hung tran, trung tuan, hung thang
van than » van thanh, van thang, van tuan
than cap » khan cap, thanh lap, thanh cac

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 sang)) - thanh ((hung tuan) or (quang tuan)) trong chuong van than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - thanh ((hung tuan) OR (quang tuan)) trong chuong van than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sang)) - thanh ((hung tuan) or (quang tuan)) trong chuong van than cap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chieu sang)) - thanh ((hung tuan) or (quang tuan)) trong chuong van than cap*.