Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
trung tuan » trung thanh, trung tam, tran tuan
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung cap, dung cua
dung cong » dung trong
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sang - hanh ((trung cua) or (trung tuan)) dung cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh ((trung cua) OR (trung tuan)) dung cong thanh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh ((trung cua) or (trung tuan)) dung cong thanh toan ban*.