Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
dien anh » tieng anh, dien dan
cuu nang » cam nang, cuu van, cao nang
cong anh » cong danh, dong anh, hong anh
anh toan » manh toan, anh tuan, thanh toan
toan cau » toan cao, toan ban, toan tap
chuc » thuc, chu, chua

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 nang) OR (chuc nang)) cong anh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (dien anh)) - hanh trinh ((cuu nang) OR (chuc nang)) cong anh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (dien anh)) - hanh trinh ((cuu nang) OR (chuc nang)) cong anh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (dien anh)) - hanh trinh ((cuu nang) OR (chuc nang)) cong anh toan cau*.