Perhaps you should try some spelling variations:
lang thang » cang thang, dang thanh, hung thang
hieu xanh » chieu xanh, hieu manh, hieu nganh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
dong cong » duong cong, dung cong, dang cong
lang than » lang thanh, sang than, lang thai
doc hieu » toc thieu, hoc thieu, hoc hien
tinh cua » trinh cua, sinh cua, tinh chat
cua dong » chua dong, cua cong, cua dang

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 tinh cua dong cong ((lang than) OR (lang thang)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - hanh tinh cua dong cong ((lang than) OR (lang thang)) cau".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh tinh cua dong cong ((lang than) OR (lang thang)) cau*.