Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cong ngang » cong nhan, cong quang, cong lang
cong luong » cong thuong, nang luong, cong dong
hien xanh » hien hanh, hien nhanh, chieu xanh
trinh cua » tinh cua, trinh luat, trinh quan
cong san » cong tac
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: hoc hien xanh - hanh trinh cua cong ((((cong ngang) or (cong san))) or (cong luong)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh trinh cua cong ((((cong ngang) OR (cong san))) OR (cong luong)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trinh cua cong ((((cong ngang) or (cong san))) or (cong luong)) toan ban*.