Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
cong canh » cong danh, cong thanh, cong khanh
tang cua » mang cua, hang cua, tang luan
canh van » anh van, can van, cach van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((thieu xanh) OR (hieu manh))) or (chieu sach)) - hanh tang cua nhung cong canh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (hieu manh))) OR (chieu sach)) - hanh tang cua nhung cong canh van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((thieu xanh) OR (hieu manh))) or (chieu sach)) - hanh tang cua nhung cong canh van ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) OR (hieu manh))) or (chieu sach)) - hanh tang cua nhung cong canh van ban*.