Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh hoan » trinh han, trinh hoa, trinh toan
hoan thong » toan thong, hoa thong, hoang trong
thong cong » trong cong, tong cong, thong thong
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
doi chi » doi khi
chi dan » choi dan, chi van, thi dan

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 dan - hanh trinh hoan thong cong san ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi dan - hanh trinh hoan thong cong san ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: doi chi dan - hanh trinh hoan thong cong san ((toan cau) OR (toan ban))*.