Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
trinh luc » trinh duc, trinh muc, trinh luat
canh dong » canh duong, hanh dong, can dong
anh dong » anh huong, anh son
dan toan » van toan, dan than, manh toan
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 - hanh trinh luc ((canh dong) or (anh dong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh luc ((canh dong) OR (anh dong)) dan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh luc ((canh dong) or (anh dong)) dan toan cau*.