Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
bien tinh » bi tinh, yen tinh, diep tinh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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 sang) or (dieu hanh))) or (bien tinh)) - hanh tranh cua nhung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sang) OR (dieu hanh))) OR (bien tinh)) - hanh tranh cua nhung cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sang) or (dieu hanh))) or (bien tinh)) - hanh tranh cua nhung cong tac toan ban*.