Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dang trong » dung trong, dong trong, lang trong
trung cao » truong cao, trung cap, trung ca
trong ban » trong san, trong tan, trong quan
ban thanh » ban hanh, ban hang
thanh cau » thanh chau, thanh mau, nhanh cau
ho chieu » theo chieu, hoc thieu, doi chieu
trung co » trung bo, trong co, truong cao

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 - manh ((trung cao) OR (trung co)) dang trong ban thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - manh ((trung cao) OR (trung co)) dang trong ban thanh cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - manh ((trung cao) OR (trung co)) dang trong ban thanh cau*.