Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, nhieu tang
thong cong » trong cong, tong cong, thong thong
hieu lang » hieu quang, nhieu tang, hieu van
hanh hang » thanh hang, hang hang, hanh han
cua thong » cua thuong, cua khong, cua tong
hang cua » mang cua, hang ca, huong cua
cong tan » cong tac, cong san, cong thanh
tan doan » tran doan, tap doan, van doan
doan cap » doanh cao, dan ca, toan cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (((chieu sang) OR (hieu lang)))) - hanh hang cua thong cong tan doan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (((chieu sang) OR (hieu lang)))) - hanh hang cua thong cong tan doan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (((chieu sang) OR (hieu lang)))) - hanh hang cua thong cong tan doan cap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (((chieu sang) OR (hieu lang)))) - hanh hang cua thong cong tan doan cap*.