Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
nhung duong » nhung dung, nhung huong, nhung tuong
thieu sang » chieu sang, thieu khang, hieu lang
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
duong anh » duong manh, duong xanh, duong vanh
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu sang) or (thieu quang)) - thanh ((trung cua) OR (trung cap)) nhung duong anh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu sang) OR (thieu quang)) - thanh ((trung cua) OR (trung cap)) nhung duong anh tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu sang) or (thieu quang)) - thanh ((trung cua) OR (trung cap)) nhung duong anh tuan cau".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu sang) or (thieu quang)) - thanh ((trung cua) OR (trung cap)) nhung duong anh tuan cau*.