Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
tuan hoang » quan hoang, tran hoang, xuan hoang
hoc thieu » toc thieu, hoc hien
manh tran » manh toan, manh tuan, canh tranh
tuan bang » tuan dang, thuat bang, tuong bang
cong tang » cong thang, cong lang, cong vang
cong tan » cong tac, cong san, cong thanh

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 sach - manh tran ((tuan bang) or (tuan hoang)) ((cong tang) or (cong tan)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - manh tran ((tuan bang) OR (tuan hoang)) ((cong tang) OR (cong tan)) van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - manh tran ((tuan bang) or (tuan hoang)) ((cong tang) or (cong tan)) van ban*.