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