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