Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
luat chung » luan chung, luat thuong, cua chung
luat dung » suat dung, luat quang, thuat dung
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: theo chieu sach - hanh trang ((luat dung) OR (luat chung)) cong tac toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh trang ((luat dung) OR (luat chung)) cong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh trang ((luat dung) OR (luat chung)) cong tac toan ban*.