Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, diep tinh
bien tinh » bi tinh, yen tinh, diep tinh
cua nhung » va nhung
cong bang » cuong bang, dong bang, hong bang
cong cua » cong cu, dong cua, huong cua
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((lieu tinh) or (bien tinh)) - thanh cong cua nhung cong bang ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((lieu tinh) OR (bien tinh)) - thanh cong cua nhung cong bang ((than cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: doc ((lieu tinh) or (bien tinh)) - thanh cong cua nhung cong bang ((than cau) or (toan cau))*.