Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
thanh ban » thanh san, thanh van, thanh bac
cua dang » cua cong, cua ban
cong san » cong tac
than ban » toan ban, than man, nhuan 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 - canh tranh cua dang ((cong dong) or (cong san)) ((than ban) OR (thanh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh cua dang ((cong dong) OR (cong san)) ((than ban) OR (thanh ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh cua dang ((cong dong) or (cong san)) ((than ban) OR (thanh ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh cua dang ((cong dong) or (cong san)) ((than ban) OR (thanh ban))*.