Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cua chuong » cua phuong, cua huong, cua thuong
hoc chieu » hoc thieu, ho chieu, hoc dieu
cua chung » cua nhung, luan chung, luat chung
dong anh » hong anh, dong thanh, hoang anh
anh toan » manh toan, anh tuan, thanh toan
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) or (hoc hien)) sach - hanh trinh ((cua chuong) OR (cua chung)) dong anh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) sach - hanh trinh ((cua chuong) OR (cua chung)) dong anh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (hoc hien)) sach - hanh trinh ((cua chuong) OR (cua chung)) dong anh toan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc hien)) sach - hanh trinh ((cua chuong) OR (cua chung)) dong anh toan cau*.