Perhaps you should try some spelling variations:
huong tinh » khuong tinh, thuong tinh, duong tinh
dang huong » dang thuong, dang hung, dong huong
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
cua dang » cua cong, cua ban
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) or (hien hanh)) - canh manh cua dang huong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - canh manh cua dang huong tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - canh manh cua dang huong tinh toan cao*.