Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
hoang van » hang va
doc hieu » toc thieu, hoc thieu, hoc hien
hanh han » hanh nhan, hanh phan, hanh san
qua dung » quang dung, su dung, qua song
han qua » hanh qua, hai qua, han cua
tan van » tran van, tang van, luan van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - hanh han qua dung trong ((tan van) or (hoang van)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh han qua dung trong ((tan van) OR (hoang van)) cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh han qua dung trong ((tan van) or (hoang van)) cau*.