Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hanh trang » thanh trung, canh tranh, hanh trinh
tien minh » trien minh, lien minh, tien manh
trang cua » tranh cua, tang cua, trung cua
cong nong » cong dong, cong cong, cong trong
dan than » dan chan, ban than, van than
van toan » van tuan, van tan, van thanh

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 tinh) or (tien minh)) - hanh trang cua cong nong ((dan than) or (van toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu tinh) OR (tien minh)) - hanh trang cua cong nong ((dan than) OR (van toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu tinh) or (tien minh)) - hanh trang cua cong nong ((dan than) or (van toan)) cau*.