Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
luat trong » suat trong, thuat trong, luat thuong
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
tang luat » tang luan, nang suat, hang luan
san han » san phan, van han, san ha
san van » tan van, luan van, tran van

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