Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
hoc thieu » toc thieu
cua trong » cua truong, cua trung, qua trong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan 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 thieu) or (hoc hien)) sach - ((hanh trang) OR (hanh trinh)) cua trong cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) sach - ((hanh trang) OR (hanh trinh)) cua trong cong san toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (hoc hien)) sach - ((hanh trang) OR (hanh trinh)) cua trong cong san toan tap".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) sach - ((hanh trang) OR (hanh trinh)) cua trong cong san toan tap*.