Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sang » chieu sach, chieu xanh, hieu lang
cong tinh » cong trinh, cong vinh, long tinh
ho chieu » theo chieu, hoc thieu, doi chieu
van dung » van dong, xay dung, tin dung
toan cao » toan ban
toan tap » toan ban
va dung » va duong, vat dung, va ung

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 dung) or (van dung)) cong tinh ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh tuong ((va dung) OR (van dung)) cong tinh ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh tuong ((va dung) or (van dung)) cong tinh ((toan cao) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh tuong ((va dung) or (van dung)) cong tinh ((toan cao) OR (toan tap))*.