Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trinh luan » trinh quan, trinh han, trinh toan
thong tan » thong than, thong tran, thong tin
tan san » tai san, tan van, han san
san cau » van cau, ban cau, can cau

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 ((trinh luan) or (trinh luat)) thong thong tan san cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh ((trinh luan) OR (trinh luat)) thong thong tan san cau*.