Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
dong thanh » truong thanh
thanh toan » thanh hoa, thanh san, tinh toan
hien xanh » hien hanh, hien nhanh, hien khanh
quan vung » quan vuong, quang vuong, quang dung
vung dong » cong dong
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 (chieu xanh)) - hanh trinh quan vung dong thanh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (chieu xanh)) - hanh trinh quan vung dong thanh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (chieu xanh)) - hanh trinh quan vung dong thanh toan ban*.