Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, canh tinh
trinh quan » tinh quang, trinh luat, trinh han
quan cong » qua cong, luan cong, quan dong
cong cong » cong dong, trong cong, dung cong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - canh trinh quan cong cong tan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - canh trinh quan cong cong tan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - canh trinh quan cong cong tan ((toan cau) or (toan tap))*.