Perhaps you should try some spelling variations:
trong huong » trong thuong, trong chuong, truong huong
chieu sach » chinh sach, chiet tach, chieu sang
trinh van » trinh han, trinh quan, trinh toan
trinh vat » trinh luat, sinh vat, trinh han
ho chieu » theo chieu, hoc thieu, doi chieu
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - canh ((trinh van) or (trinh vat)) trong huong dan ((phan cau) OR (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh ((trinh van) OR (trinh vat)) trong huong dan ((phan cau) OR (phan cac))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - canh ((trinh van) or (trinh vat)) trong huong dan ((phan cau) OR (phan cac))*".