Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
hieu manh » hieu nganh, dieu hanh, hien hanh
trang va » tran van, hang va
cong tap » cuong tap, cong tac, cong tan
tap doan » tap quan
doan dau » doan dieu, phan dau, doan va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((hieu manh) OR (chieu xanh))) or (chieu sach)) - hanh trang va nhung cong tap doan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((hieu manh) OR (chieu xanh))) OR (chieu sach)) - hanh trang va nhung cong tap doan dau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((hieu manh) OR (chieu xanh))) or (chieu sach)) - hanh trang va nhung cong tap doan dau*".