Perhaps you should try some spelling variations:
cua truong » cua trung, xuan truong, cac truong
hien xanh » hien hanh, hien nhanh, chieu xanh
cong tinh » cong trinh, cong vinh, long tinh
hanh ban » thanh ban, hang ban, hanh san
dong tin » thong tin, luong tin, dong kinh
toan ban » van ban
ban cua » ban quan

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 ban cua truong ((dong tin) or (cong tinh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh ban cua truong ((dong tin) OR (cong tinh)) toan ban*.