Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
phong thuc » phuong thuc, phong tuc, phong thuy
hoc thieu » toc thieu, hoc hien
hanh dang » hanh dong, hanh dung, hanh mang
dang cong » dung cong
anh dang » anh dong, anh dung, anh bang
cua dang » cua cong, cua ban
cong hai » cong thai, cong ha, hoang hai

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 - ((anh dang) or (hanh dang)) cua dang cong hai phong thuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((anh dang) OR (hanh dang)) cua dang cong hai phong thuc*.