Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
trung tuan » trung thanh, trung tam, tran tuan
trinh toan » tinh toan, thanh toan, trinh han
chau tinh » cuu tinh, ha tinh, cua tinh
tuan hang » tuan hoang, tuan bang, tuan dang
hang cong » dang cong, hang nong, bang cong
toan cau » 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 xanh) or (chau tinh))) or (chieu sang)) - thanh trung tuan hang cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu xanh) OR (chau tinh))) OR (chieu sang)) - thanh trung tuan hang cong trinh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu xanh) or (chau tinh))) or (chieu sang)) - thanh trung tuan hang cong trinh toan cau*.