Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
hung tuong » nhung tuong, hung vuong, hung luong
hung cuong » hung vuong, hong cuong, hung luong
doi chieu » doc hieu, doi chi, ho chieu
tung tuan » trung tuan, hung tuan, quang tuan
thanh cac » hanh cac, thanh bac, thanh ca
than cap » khan cap, thanh lap, than cua

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