Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
cong nong » cong dong, cong cong, cong trong
nong dan » cong dan, nong san, nguong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu nhi) or (chieu tinh)) - hanh trang cua cong nong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu nhi) OR (chieu tinh)) - hanh trang cua cong nong dan than cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu nhi) or (chieu tinh)) - hanh trang cua cong nong dan than cao*.