Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
kieu tinh » lieu tinh, diep tinh, bien tinh
chinh cua » chinh ca, chinh sua, hinh cua
cua nhung » va nhung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((chieu xanh) or (kieu tinh))) or (trieu tinh)) - hanh chinh cua nhung cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu xanh) OR (kieu tinh))) OR (trieu tinh)) - hanh chinh cua nhung cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu xanh) or (kieu tinh))) or (trieu tinh)) - hanh chinh cua nhung cong tac toan cao*.