Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
cong tinh » cong trinh, cong vinh, long tinh
cua hang » cua nhung, cua cong, cua ban
cua dang » cua cong, cua ban
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) OR (hien hanh)) - hanh tranh ((cua hang) or (cua dang)) cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - hanh tranh ((cua hang) OR (cua dang)) cong tinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien hanh)) - hanh tranh ((cua hang) or (cua dang)) cong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien hanh)) - hanh tranh ((cua hang) or (cua dang)) cong tinh toan ban*.