Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, nhieu tang
canh trinh » canh tranh, hanh trinh, canh tinh
huong cong » luong cong, duong cong, cuong cong
hieu lang » hieu quang, nhieu tang, hieu van
trinh van » trinh han, trinh quan, trinh toan
van huong » van chuong, van phuong, ban huong
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan

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 xanh) or (((chieu sang) OR (hieu lang)))) - canh trinh van huong cong doan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (((chieu sang) OR (hieu lang)))) - canh trinh van huong cong doan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (((chieu sang) OR (hieu lang)))) - canh trinh van huong cong doan phan tu".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (((chieu sang) OR (hieu lang)))) - canh trinh van huong cong doan phan tu*.