Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
vang thang » cang thang, van thang, lang thang
hieu xanh » chieu xanh, hieu manh, hieu nganh
cong vang » cong lang, cong quang, cong ngang
thang cau » hang cau, thong cau, thanh chau
doc hieu » toc thieu, hoc thieu, hoc hien

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 trang ((cua nhung) or (va nhung)) cong vang thang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh trang ((cua nhung) OR (va nhung)) cong vang thang cau*.