Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
trung tuan » trung thanh, trung tam, tran tuan
hoc thieu » toc thieu, hoc hien
trong qua » trong quan, thong qua, trong nha
dung cong » dung trong
cong tac » cong ty
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: hoc thieu sang - thanh ((trong qua) or (trung tuan)) dung cong tac ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh ((trong qua) OR (trung tuan)) dung cong tac ((toan cau) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh ((trong qua) or (trung tuan)) dung cong tac ((toan cau) or (van ban))*.