Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
dai chong » dai cuong, dai cong, dai khong
tran tuan » tran xuan, tran quang, tran thanh
dai hong » dai huong, dai cong, dai cuong
cong tan » cong tac, cong san, cong 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 xanh) or (chieu xanh)) - hanh truong ((dai chong) OR (dai hong)) cong tan tran tuan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - hanh truong ((dai chong) OR (dai hong)) cong tan tran tuan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (chieu xanh)) - hanh truong ((dai chong) OR (dai hong)) cong tan tran tuan".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - hanh truong ((dai chong) OR (dai hong)) cong tan tran tuan*.