Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
ngan bang » ngan hang, gan bang, ngan danh
bang cong » dang cong, bang song, hang cong
cong dan » cong san, cong tan, huong dan
toan tap » toan ban
han tap » han tai, nhan tai, nhan tao

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 chinh ngan bang cong dan ((han tap) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh chinh ngan bang cong dan ((han tap) OR (toan tap))*".