Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
trang va » tran van, hang va
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau
lan van » luan van, lang van, tan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - hanh ((trang va) or (lan van)) nhung cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - hanh ((trang va) OR (lan van)) nhung cong dan chan cau*.