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
tranh cua » doanh cua, manh cua
dang cong » dung cong
cong manh » cong danh, duong manh, cong thanh
cua dang » cua cong, cua ban
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: theo chieu sang - hanh tranh cua dang cong manh ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - hanh tranh cua dang cong manh ((toan ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - hanh tranh cua dang cong manh ((toan ban) or (toan tap))*.