Perhaps you should try some spelling variations:
nhanh trinh » nhanh tinh, thanh trinh, nhanh thanh
hanh trinh » canh tranh, hanh chinh
chu tinh » chau tinh, chua tinh, cuu tinh
lan dung » van dung, dan dung, lan hung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
ho chu » hoi chu, cho chu, ho chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chu tinh - ((hanh trinh) or (nhanh trinh)) lan dung ((cong dan) OR (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chu tinh - ((hanh trinh) OR (nhanh trinh)) lan dung ((cong dan) OR (cong san)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chu tinh - ((hanh trinh) or (nhanh trinh)) lan dung ((cong dan) OR (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chu tinh - ((hanh trinh) or (nhanh trinh)) lan dung ((cong dan) OR (cong san)) toan cau*.