Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
cong thanh » dong thanh, cong trinh, cong tan
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tac » cong ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sang - hanh tranh cua nhung ((cong tac) or (cong thanh)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - hanh tranh cua nhung ((cong tac) OR (cong thanh)) phan tu.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - hanh tranh cua nhung ((cong tac) or (cong thanh)) phan tu*.