Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cong van » cong vang, cong san, song van
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) tach - hanh trinh cua nhung cong van ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) tach - hanh trinh cua nhung cong van ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (toc thieu)) tach - hanh trinh cua nhung cong van ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) tach - hanh trinh cua nhung cong van ((toan cau) OR (toan tap))*.