Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
tuong cua » truong cua, huong cua, thong cua
cua nhung » va nhung
trinh han » trinh quan

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 xanh - thanh tuong cua nhung cong ((trinh han) or (tinh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh tuong cua nhung cong ((trinh han) OR (tinh toan)) tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh tuong cua nhung cong ((trinh han) or (tinh toan)) tap*.