Perhaps you should try some spelling variations:
trinh thiet » trinh viet, trinh thi
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
thiet hung » thuyet hung, viet hung, hiep hung
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
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: ho chieu xanh - hanh trinh thiet hung ((cong dan) OR (cong san)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh trinh thiet hung ((cong dan) OR (cong san)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh trinh thiet hung ((cong dan) OR (cong san)) toan cao*.