Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cong tac » cong ty
tac van » tac vang, cac van, tac va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((dieu hanh) or (((chieu xanh) or (chieu sach)))) - hanh trinh cua nhung cong tac van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((dieu hanh) OR (((chieu xanh) OR (chieu sach)))) - hanh trinh cua nhung cong tac van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((dieu hanh) or (((chieu xanh) or (chieu sach)))) - hanh trinh cua nhung cong tac van ban*.