Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
hoc chieu » hoc thieu, hoc hien, hoc dieu
hanh tang » hanh trang, anh tang, hanh mang
dung cong » dung trong
ho chieu » hoc thieu, doi chieu, mot chieu
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
tang su » tang suc, trang su, dang su

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) OR (theo chieu)))) sach - hanh tang su dung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (((ho chieu) OR (theo chieu)))) sach - hanh tang su dung cong dan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (((ho chieu) OR (theo chieu)))) sach - hanh tang su dung cong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (((ho chieu) OR (theo chieu)))) sach - hanh tang su dung cong dan toan ban*.