Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
thanh dung » thanh duong, thanh tung, thanh hung
trinh toan » tinh toan, thanh toan, trinh han
dang cong » dung cong
cho dang » cao dang, cho hang, cho dong
toan tap » toan ban

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 sang) or (chiet tach)) - thanh dung cho dang cong trinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chiet tach)) - thanh dung cho dang cong trinh toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chiet tach)) - thanh dung cho dang cong trinh toan tap*.