Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
cao thong » cao thuong, tao thong, cao phong
thang cau » hang cau, thanh chau, nhung cau
thong cau » thong cac, thong cap, thong tu
ho chieu » theo chieu, hoc thieu, doi chieu
tung cao » nung cao, truong cao, trung cap
cong van » cong vang, cong san, song van

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 - thanh tung cao thong cong van ((thang cau) OR (thong cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh tung cao thong cong van ((thang cau) OR (thong cau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung cao thong cong van ((thang cau) OR (thong cau))*.