Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » hieu nganh, dieu hanh, hien hanh
hang cong » dang cong, hang nong, bang cong
cong vang » cong lang, cong quang, cong ngang
tranh va » tranh van, trang va, trinh va
vang tan » van tan, tang tan, vang tao
va hang » van hang, va nang, va lang
tan ca » tan cua, tang ca, dan ca

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 (hieu manh))) or (chieu sach)) - canh tranh va hang cong vang tan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu xanh) OR (hieu manh))) OR (chieu sach)) - canh tranh va hang cong vang tan ca.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((chieu xanh) OR (hieu manh))) or (chieu sach)) - canh tranh va hang cong vang tan ca".
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu xanh) OR (hieu manh))) or (chieu sach)) - canh tranh va hang cong vang tan ca*.