Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, hieu cach
chieu sang » hieu lang, nhieu tang
chieu xanh » chieu tinh, hieu manh
hanh thang » nhanh thang, thanh thang, hanh trang
nhung cong » dung cong, thong cong, hang cong
thang va » hang va, trang va, thong va
cong van » cong vang, cong san, song van
van tai » von tai, van tuan
tai sao » tai san

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sach) or (((chieu sang) or (chieu xanh)))) - hanh thang va nhung cong van tai sao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (((chieu sang) OR (chieu xanh)))) - hanh thang va nhung cong van tai sao.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (((chieu sang) or (chieu xanh)))) - hanh thang va nhung cong van tai sao*.