Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cong thanh » dong thanh, cong trinh, truong thanh
nhan dang » nhan dan, phan dang, tran dang
qua dung » quang dung, su dung, qua song
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong ty
tran cau » tran chau, toan cau, ran cau

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 - nhan dang ((qua dung) or (cua dang)) ((cong thanh) or (cong tan)) tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - nhan dang ((qua dung) OR (cua dang)) ((cong thanh) OR (cong tan)) tran cau.
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - nhan dang ((qua dung) or (cua dang)) ((cong thanh) or (cong tan)) tran cau*.