Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
toc chieu » toc thieu, doc hieu, hoc thieu
chinh cua » chinh ca, chinh sua, hinh cua
chinh tai » chinh tri
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
phan dau » phan tu, hang dau

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 - hanh ((chinh cua) or (((chinh tai) or (hanh vi)))) thong cong tac phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - hanh ((chinh cua) OR (((chinh tai) OR (hanh vi)))) thong cong tac phan dau.
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - hanh ((chinh cua) or (((chinh tai) or (hanh vi)))) thong cong tac phan dau*.