Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
truong cua » truong ca, truong quan, truong cao
trung cua » trung tuan, trung cap, dung cua
dung cong » dung trong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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: toc thieu sang - thanh ((trung cua) OR (truong cua)) dung cong tac toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu sang - thanh ((trung cua) OR (truong cua)) dung cong tac toan tap".
• Adding a wildcard symbol may retrieve word variants: toc thieu sang - thanh ((trung cua) OR (truong cua)) dung cong tac toan tap*.