Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tang luat » nang suat, hang luan, tong luan
tang luan » dung luan
cong san » cong tac
san han » san phan, san van, van han
han tap » han tai, toan tap, nhan tai

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 ((tang luat) OR (tang luan)) trong cong san han tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh ((tang luat) OR (tang luan)) trong cong san han tap*".