Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
ho chieu » theo chieu, hoc thieu, doi chieu
tuong va » truong va, thuong va, luong va
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - thanh tuong va thong cong dan ((toan ban) OR (van ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh tuong va thong cong dan ((toan ban) OR (van ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh tuong va thong cong dan ((toan ban) OR (van ban))*.