Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hieu quang » thieu quang, hieu qua, diep quang
trinh toan » tinh toan, thanh toan, trinh han
hieu quan » hieu qua, lieu quan, thien quan
hanh dung » thanh dung, anh dung, hanh dong
dung cong » dung trong
dung cua » dung luan, dung cho
cua dung » cua dang, cua dong, qua dung
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 quang) OR (hieu quan)))) - hanh dung cua dung cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (((hieu quang) OR (hieu quan)))) - hanh dung cua dung cong trinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (((hieu quang) OR (hieu quan)))) - hanh dung cua dung cong trinh toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (((hieu quang) OR (hieu quan)))) - hanh dung cua dung cong trinh toan cau*.