Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
hoc thieu » toc thieu, hoc hien
cua trong » cua truong, cua trung, qua trong
hoc dieu » hoc hien
cong van » cong vang, cong san, song van
van than » van thanh, van thang, van tuan
than cau » toan cau, phan cau, 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 dieu) or (hoc thieu)) xanh - ((canh tranh) or (hanh trinh)) cua trong cong van than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc thieu)) xanh - ((canh tranh) OR (hanh trinh)) cua trong cong van than cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (hoc thieu)) xanh - ((canh tranh) or (hanh trinh)) cua trong cong van than cau*.