Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh phan » thanh phan, anh phan, hanh han
bang cong » dang cong, bang song, hang cong
hanh san » thanh san, khach san, thanh son
cua bang » chua bang, cua ban, cua dang
cong san » cong tac
ban tap » bai tap, ban tai, ban tay
han tap » han tai, toan tap, nhan tai

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 - ((hanh phan) or (hanh san)) cua bang cong san ((ban tap) OR (han tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh phan) OR (hanh san)) cua bang cong san ((ban tap) OR (han tap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((hanh phan) or (hanh san)) cua bang cong san ((ban tap) OR (han tap))*".