Perhaps you should try some spelling variations:
trung thang » trung thanh, trung tang, truong thanh
chieu sang » chieu sach, chieu xanh, hieu lang
trung tham » trung tam, trung thanh, trung ha
hoc chieu » hoc thieu, ho chieu, hoc hien
dung cong » dung trong
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sang - thanh ((trung tham) or (trung thang)) dung cong danh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sang - thanh ((trung tham) OR (trung thang)) dung cong danh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sang - thanh ((trung tham) or (trung thang)) dung cong danh toan cao*.