Perhaps you should try some spelling variations:
thanh trien » thanh tien, thanh truyen, thanh vien
trien hoat » tien hoa
chong cong » thong cong, cuong cong, phong cong
chau tinh » cuu tinh, cua tinh, cac tinh
cong cong » cong dong, trong cong, dung cong
tap doan » tap quan
doan cau » toan cau, doan dau, doan cap
ha tinh » va tinh, may tinh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chau tinh) OR (ha tinh)) - thanh trien hoat ((chong cong) or (cong cong)) tap doan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chau tinh) OR (ha tinh)) - thanh trien hoat ((chong cong) OR (cong cong)) tap doan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chau tinh) OR (ha tinh)) - thanh trien hoat ((chong cong) or (cong cong)) tap doan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chau tinh) OR (ha tinh)) - thanh trien hoat ((chong cong) or (cong cong)) tap doan cau*.