Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
tranh luat » trinh luat, tranh luan, trinh luan
luat chung » luan chung, luat thuong, cua chung
duong tinh » duong minh, dong tinh, dung tinh
duong sinh » duong minh, duong manh, trong sinh
hoc thieu » toc thieu, hoc hien
toan cau » toan cao, toan ban, toan tap

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 luat chung ((duong tinh) OR (duong sinh)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh luat chung ((duong tinh) OR (duong sinh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh luat chung ((duong tinh) OR (duong sinh)) toan cau*.