Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
thieu sang » chieu sang, thieu khang, thieu quang
thong cong » trong cong, tong cong, thong thong
cong lang » cong vang, cong luong, cong quang
thang va » hang va, trang va, thong va
va thong » va thuong, va phuong, he thong
phan van » pham van, thanh van, luan 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 thang va thong cong lang ((phan tu) OR (phan van))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu sang - thanh thang va thong cong lang ((phan tu) OR (phan van))*".