Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
doi chieu » doi chi, ho chieu, mot chieu
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
doc hieu » toc thieu, hoc thieu, hoc hien
thong va » thong cua, truong va, thong qua
toan cao » toan ban, toan tap
tan cao » tao cao, tay cao, tan ca

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 (doc hieu)) xanh - hanh trinh cua thong thong va ((tan cao) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) xanh - hanh trinh cua thong thong va ((tan cao) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doc hieu)) xanh - hanh trinh cua thong thong va ((tan cao) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doc hieu)) xanh - hanh trinh cua thong thong va ((tan cao) or (toan cao))*.