Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
cua thong » cua thuong, cua khong, suat thong
san thanh » ban thanh, van thanh, son thanh
thanh ban » thanh san, thanh van, thanh bac
cua tong » cua cong, cua dong, cua nong
cong san » cong tac

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)) - hanh trinh ((cua thong) OR (cua tong)) cong san thanh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - hanh trinh ((cua thong) OR (cua tong)) cong san thanh ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) or (hien hanh)) - hanh trinh ((cua thong) OR (cua tong)) cong san thanh ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - hanh trinh ((cua thong) OR (cua tong)) cong san thanh ban*.