Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chi tinh » chai tinh, chi minh, chi binh
tranh va » tranh van, trang va, trinh va
cong anh » cong danh, dong anh, hong anh
tuan cau » toan cau, thuan cam, toan cao
quan cau » quang cao, toan cau, quan ha
doi chi » doi khi
tuan cu » tuan tu, quan cua, tuan thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi tinh - canh tranh va nhung cong anh ((((tuan cau) or (tuan cu))) or (quan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi tinh - canh tranh va nhung cong anh ((((tuan cau) OR (tuan cu))) OR (quan cau)).
• Adding a wildcard symbol may retrieve word variants: doi chi tinh - canh tranh va nhung cong anh ((((tuan cau) or (tuan cu))) or (quan cau))*.