Perhaps you should try some spelling variations:
thong cong » tong cong, thong thong, phong chong
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
ho chieu » theo chieu, doi chieu, mot chieu
tang cua » mang cua, hang cua, tang luan
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 thieu) or (ho chieu)) sach - hanh tang cua ((thong cong) or (trong cong)) dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (ho chieu)) sach - hanh tang cua ((thong cong) OR (trong cong)) dan toan ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (ho chieu)) sach - hanh tang cua ((thong cong) or (trong cong)) dan toan ban*.