Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
thanh minh » thanh binh, thanh tinh, thanh vinh
ngung cong » dung cong, nganh cong, nguoi cong
nhung cong » dung cong, thong cong, hang cong
hanh minh » hinh minh, hanh tinh, hanh dinh
manh toan » thanh toan, anh tuan, tinh toan
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: toc thieu sang - ((hanh minh) OR (thanh minh)) nhat ((ngung cong) or (nhung cong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sang - ((hanh minh) OR (thanh minh)) nhat ((ngung cong) OR (nhung cong)) manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu sang - ((hanh minh) OR (thanh minh)) nhat ((ngung cong) or (nhung cong)) manh toan ban".
• Adding a wildcard symbol may retrieve word variants: toc thieu sang - ((hanh minh) OR (thanh minh)) nhat ((ngung cong) or (nhung cong)) manh toan ban*.