Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chong cao » thong cao, cong cao, chong chay
van nhanh » van thanh, van hanh, van khanh
nhanh cau » nhanh cay, thanh chau, nhanh ha
ho chieu » theo chieu, hoc thieu, doi chieu
chong co » cong co, thong co, khong co
han cong » phan cong, hang cong, hanh cong
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 - nhanh ((chong cao) OR (chong co)) han cong van nhanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - nhanh ((chong cao) OR (chong co)) han cong van nhanh cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - nhanh ((chong cao) OR (chong co)) han cong van nhanh cau*.