Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hieu manh » hieu nganh, dieu hanh, hien hanh
cong vang » cong lang, cong quang, cong ngang
vang toan » van toan, dang toan, quang toan
tranh va » tranh van, trang va, trinh va
toan cao » toan ban, toan tap

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