Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
tong thong » thong thong, dong thong, cong thong
dang thanh » dong thanh, dang hanh, hoang thanh
hanh tang » hanh trang, anh tang, hanh mang
dan thanh » danh thanh, ban thanh, van thanh
tang cua » mang cua, hang cua, tang luan
cua tong » cua cong, cua dong, cua nong

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) or (chieu xanh)) - hanh tang cua tong thong ((dan thanh) or (dang thanh)) bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chieu xanh)) - hanh tang cua tong thong ((dan thanh) OR (dang thanh)) bac.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chieu xanh)) - hanh tang cua tong thong ((dan thanh) or (dang thanh)) bac*.