Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh cuu » trinh cau, trinh cua, trinh chu
tranh cua » doanh cua, manh cua
nang cong » nang song, dang cong, bang cong
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
tien anh » tieng anh, tien manh, dien anh
toan cau » toan cao, toan ban, toan tap

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 (tien anh)) - canh ((trinh cuu) or (tranh cua)) nang cong danh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (tien anh)) - canh ((trinh cuu) OR (tranh cua)) nang cong danh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (tien anh)) - canh ((trinh cuu) or (tranh cua)) nang cong danh toan cau*.