Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, nhieu tang
trinh toan » tinh toan, thanh toan, trinh han
hieu lang » hieu quang, nhieu tang, hieu van
trung cua » truong cua, trung tuan, trung cap
phan cong » thanh cong
cua phan » cua nhan, cua phap, cua han
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: ho ((((chieu sang) or (hieu lang))) or (diep tinh)) - thanh trung cua phan cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sang) OR (hieu lang))) OR (diep tinh)) - thanh trung cua phan cong trinh toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sang) or (hieu lang))) or (diep tinh)) - thanh trung cua phan cong trinh toan cau*.