Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
cua tong » cua cong, cua dong, cua nong
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap
so lieu » so dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so lieu tinh - canh manh cua tong ((cong san) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so lieu tinh - canh manh cua tong ((cong san) OR (cong tac)) toan cau.
• Adding a wildcard symbol may retrieve word variants: so lieu tinh - canh manh cua tong ((cong san) or (cong tac)) toan cau*.