Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » thanh trung, canh tranh, hanh trinh
duong cong » dung cong, luong cong, duong trong
hoc thieu » toc thieu, hoc hien
trang qua » trong qua, trong quan, trang tuan
qua duong » quan duong, qua dung, qua dong
cong san » cong tac
ban banh » ban hanh, ban anh, ban danh
ban ban » van ban, can ban, ban dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - hanh trang qua duong cong san ((ban ban) OR (ban banh))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trang qua duong cong san ((ban ban) OR (ban banh))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trang qua duong cong san ((ban ban) OR (ban banh))*.