Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
hanh trinh » canh tranh, hanh chinh
tieu xanh » tieu danh, chieu xanh, dieu hanh
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh trinh cua ((nhung huong) or (dung cong)) dan ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh trinh cua ((nhung huong) OR (dung cong)) dan ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh trinh cua ((nhung huong) or (dung cong)) dan ((toan tai) or (toan ban))*.