Perhaps you should try some spelling variations:
trinh tuong » trinh truong, trinh thuong, trinh duong
chieu tang » chieu sang, nhieu tang, chien thang
doi chieu » doc hieu, doi chi, ho chieu
canh manh » lanh manh, canh tranh, cach mang
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
tuong tu » thong tu, luong tu, tuong tac

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 tang - canh manh ((cua dung) or (cua dong)) cong trinh tuong tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tang - canh manh ((cua dung) OR (cua dong)) cong trinh tuong tu.
• Adding a wildcard symbol may retrieve word variants: doi chieu tang - canh manh ((cua dung) or (cua dong)) cong trinh tuong tu*.