Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, mot chieu
tuong hoc » truong hoc, tuong ho, duong hoc
dung cong » dung trong
hoc dung » hoc ung, hoc dan, tac dung
cong tac » cong ty
tac hang » tac vang, bac thang, tac chong
hang cau » hang dau, hang ca, nhung cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - thanh tuong hoc dung cong tac hang cau~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh tuong hoc dung cong tac hang cau*.