Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
thanh tran » thanh trang, thanh toan, thanh tra
thong cong » trong cong, thong thong, phong chong
hoc thieu » toc thieu, hoc hien
tran tuan » tran xuan, tran quang, tran thanh
tong cong » trong cong, cong cong, dung cong
van thanh » ban thanh, van tuan
thanh tap » thanh lap, thanh tai, thanh tay

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 tran tuan ((thong cong) OR (tong cong)) van thanh tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - thanh tran tuan ((thong cong) OR (tong cong)) van thanh tap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh tran tuan ((thong cong) OR (tong cong)) van thanh tap*.