Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
cua phuong » cuu phuong, cuc phuong, luan phuong
thien anh » thien danh, tien anh, thien thanh
trinh cua » tinh cua, trinh luat, trinh quan
cong san » cong tac
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (thien anh)) - hanh trinh cua phuong cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (thien anh)) - hanh trinh cua phuong cong san van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (thien anh)) - hanh trinh cua phuong cong san van ban*.