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 ban » ban banh, van ban, ban dan
can ban » van ban, toan ban

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 (can ban))~.
• 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 (can ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trang qua duong cong san ((ban ban) OR (can ban))*.