Perhaps you should try some spelling variations:
thuoc trong » thuc trong, thuat trong, thuoc tren
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
doanh phan » doanh nhan, doan phan, doanh thanh
hoc trong » hoc thuong, hoc tieng, dot trong
tranh ve » trinh ve, thanh ve, tranh va
phan dau » phan tu, hang dau

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)) - canh tranh ve ((thuoc trong) OR (hoc trong)) doanh phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - canh tranh ve ((thuoc trong) OR (hoc trong)) doanh phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sang)) - canh tranh ve ((thuoc trong) OR (hoc trong)) doanh phan dau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sang)) - canh tranh ve ((thuoc trong) OR (hoc trong)) doanh phan dau*.