Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh chua » tranh cua, trinh chuan, tranh chap
lieu tinh » trieu tinh, diep tinh, bien tinh
chua nang » chuc nang, chua xang, kha nang
song tap » tong tap, song tam, cuong tap
doan cao » doanh cao, toan cao, hoang cao
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: theo ((chieu xanh) or (lieu tinh)) - canh tranh chua nang song tap ((doan cao) OR (doan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (lieu tinh)) - canh tranh chua nang song tap ((doan cao) OR (doan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (lieu tinh)) - canh tranh chua nang song tap ((doan cao) OR (doan cap))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (lieu tinh)) - canh tranh chua nang song tap ((doan cao) OR (doan cap))*.