Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
hanh trinh » canh tranh, hanh chinh
lieu tinh » trieu tinh, diep tinh, bien tinh
trinh va » trinh van, trinh vat, trinh ve
cong dan » cong san, cong tan, huong dan
toan ban » van ban
con dan » co dan, con ban, con day

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu tinh) or (lieu tinh)) - hanh trinh va thuong ((con dan) or (cong dan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (lieu tinh)) - hanh trinh va thuong ((con dan) OR (cong dan)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu tinh) or (lieu tinh)) - hanh trinh va thuong ((con dan) or (cong dan)) toan ban*.