Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
dung doan » dung doanh, dung dan, dung toan
phan dau » phan tu
hang dau » hang va, hang tai
cua ung » cua rung, cua ong, cua nhung

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 sach - canh tranh cua ung dung doan ((phan dau) OR (hang dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - canh tranh cua ung dung doan ((phan dau) OR (hang dau))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - canh tranh cua ung dung doan ((phan dau) OR (hang dau))*.