Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thong cong » tong cong, thong thong, phong chong
hoc thieu » toc thieu, hoc hien
canh manh » canh tranh, cach mang, van manh
lanh manh » lanh tranh, lan anh, van manh
san phan » san pham, van phan, sat phan
phan dau » phan tu, hang dau

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 manh) or (lanh manh)) cua ((thong cong) or (trong cong)) san phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((canh manh) OR (lanh manh)) cua ((thong cong) OR (trong cong)) san phan dau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((canh manh) or (lanh manh)) cua ((thong cong) or (trong cong)) san phan dau*.