Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
luan thong » luan phong, luan tuong, luat thong
thong dien » thong dieu, thong tin, thong viet
hanh dung » thanh dung, anh dung, hanh dong
thong den » thong dan, tuong den, thong dieu
thanh tap » thanh lap, thanh tai, thanh tay

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) or (chieu sang)) - hanh dung luan thong ((thong den) OR (thong dien)) thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - hanh dung luan thong ((thong den) OR (thong dien)) thanh tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sang)) - hanh dung luan thong ((thong den) OR (thong dien)) thanh tap*".