Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thuat dung » thuat hung, thuat ung, thuat xung
hien xanh » hien hanh, hien nhanh, chieu xanh
luat dung » suat dung, luat chung, xuat duong
cong san » cong tac
san toan » van toan, dan toan, 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 hien xanh - hanh trinh ((luat dung) or (thuat dung)) cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh trinh ((luat dung) OR (thuat dung)) cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trinh ((luat dung) or (thuat dung)) cong san toan cau*.