Perhaps you should try some spelling variations:
trung thang » trung thanh, trung tang, truong thanh
thang nhung » thong nhung, tang nhung, thanh hung
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, nhieu tang
manh trung » manh tung, thanh trung, manh hung
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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 (hieu lang)))) - manh trung thang nhung cong dan than ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sach) OR (((chieu sang) OR (hieu lang)))) - manh trung thang nhung cong dan than ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) OR (((chieu sang) OR (hieu lang)))) - manh trung thang nhung cong dan than ban*.