Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tran » hanh trang, thanh tran, hanh tram
tran luan » tranh luan, tran xuan, tran tuan
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
ban thanh » ban hanh, ban hang
thanh ban » thanh san, thanh van, thanh bac
cong ban » cong bang, cong san, cong tan

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 tran luan dung cong ban thanh ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - hanh tran luan dung cong ban thanh ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu xanh)) - hanh tran luan dung cong ban thanh ban*.