Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
toc chieu » toc thieu, doc hieu, hoc thieu
dung cong » dung trong
manh cua » doanh cua
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan dau » phan tu, hang dau
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu xanh - canh ((manh cua) or (ban cua)) dung cong tan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - canh ((manh cua) OR (ban cua)) dung cong tan phan dau.
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - canh ((manh cua) or (ban cua)) dung cong tan phan dau*.