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
thang long » thanh cong
tranh cua » doanh cua, manh cua
than ban » thanh ban, toan ban, nhuan ban
than man » than ma, thanh san, tran manh

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 ((thang long) or (han tong)) san ((than ban) or (than man))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - hanh tranh cua ((thang long) OR (han tong)) san ((than ban) OR (than man)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - hanh tranh cua ((thang long) or (han tong)) san ((than ban) or (than man))*.