Perhaps you should try some spelling variations:
lang cong » bang cong, hang cong, lang dong
dang cong » dung cong
chi tinh » chai tinh, chi minh, chi binh
tranh va » tranh van, trang va, trinh va
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu
doi chi » doi khi

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 ((lang cong) or (dang cong)) van ((than cau) OR (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi tinh - canh tranh va ((lang cong) OR (dang cong)) van ((than cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi tinh - canh tranh va ((lang cong) or (dang cong)) van ((than cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: doi chi tinh - canh tranh va ((lang cong) or (dang cong)) van ((than cau) OR (phan cau))*.