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