Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
thang long » thanh cong
dang cong » dung cong
lang khan » lang kham, lang thang, dang khanh
trinh he » trinh han, trinh hoa, trinh thi
khan cap » khan ap, than cap, khoan cam

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 trinh he ((dang cong) OR (thang long)) lang khan cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - hanh trinh he ((dang cong) OR (thang long)) lang khan cap*".