Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh cuu » trinh cau, trinh chu, trinh chiu
trinh cua » tinh cua, trinh luat, trinh quan
nong cong » cong cong, tong cong, nang cong
dien anh » tieng anh, dien dan
cong anh » cong danh, dong anh, hong anh
anh toan » manh toan, anh tuan, thanh toan
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 ((chieu xanh) or (dien anh)) - hanh ((trinh cuu) or (trinh cua)) nong cong anh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (dien anh)) - hanh ((trinh cuu) OR (trinh cua)) nong cong anh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (dien anh)) - hanh ((trinh cuu) or (trinh cua)) nong cong anh toan ban*.