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
nang tong » nang trong, nang song, nang cong
nang dong » nang song, lang dong, nang luong
tap doan » tap quan
doan cao » doanh cao, toan cao, doan cap

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 tong) OR (nang dong)) tap doan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (lieu tinh)) - canh tranh chua ((nang tong) OR (nang dong)) tap doan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (lieu tinh)) - canh tranh chua ((nang tong) OR (nang dong)) tap doan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (lieu tinh)) - canh tranh chua ((nang tong) OR (nang dong)) tap doan cao*.