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