Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cua truong » cua trung, xuan truong, cac truong
hoc chieu » hoc thieu, hoc hien, hoc dieu
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh 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) OR (ho chieu)) sach - hanh trinh ((cua tong) or (cua truong)) cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (ho chieu)) sach - hanh trinh ((cua tong) OR (cua truong)) cong dan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (ho chieu)) sach - hanh trinh ((cua tong) or (cua truong)) cong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (ho chieu)) sach - hanh trinh ((cua tong) or (cua truong)) cong dan toan ban*.