Perhaps you should try some spelling variations:
canh trinh » canh tranh, canh tinh, anh trinh
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
khao cuu » cham cuu, chao chu, kho cua
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: khao cuu tinh - ((canh trinh) OR (hanh trinh)) he thong cong danh toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "khao cuu tinh - ((canh trinh) OR (hanh trinh)) he thong cong danh toan cau".
• Adding a wildcard symbol may retrieve word variants: khao cuu tinh - ((canh trinh) OR (hanh trinh)) he thong cong danh toan cau*.