Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
lieu tinh » trieu tinh, diep tinh, bien tinh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban
toan tap » toan ban
ho lieu » so lieu, co lieu, ho kieu

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

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