Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
trung cua » trung tuan, trung cap, dung cua
cong vinh » cong trinh, trong vinh, cong viec
vinh toan » tinh toan, hinh toan, minh 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: ho ((chieu sang) or (diep tinh)) - hanh ((trung cua) OR (truong cua)) nhung cong vinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (diep tinh)) - hanh ((trung cua) OR (truong cua)) nhung cong vinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (diep tinh)) - hanh ((trung cua) OR (truong cua)) nhung cong vinh toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (diep tinh)) - hanh ((trung cua) OR (truong cua)) nhung cong vinh toan cao*.