Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
trung tuan » trung thanh, trung tam, tran tuan
trung cua » truong cua, trung cap, dung cua
dang cong » dung cong
cong san » cong tac
phan dau » phan tu, hang dau
phan cac » nhan cach, phan lap, phan van

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 (trung tuan)) dang cong san ((phan dau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sang - thanh ((trung cua) OR (trung tuan)) dang cong san ((phan dau) OR (phan cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu sang - thanh ((trung cua) OR (trung tuan)) dang cong san ((phan dau) or (phan cac))".
• Adding a wildcard symbol may retrieve word variants: toc thieu sang - thanh ((trung cua) OR (trung tuan)) dang cong san ((phan dau) or (phan cac))*.