Perhaps you should try some spelling variations:
bang cong » dang cong, bang song, hang cong
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
luong va » dung va
trung va » truong va, trang va, trung ha
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: theo chu sach - thanh ((luong va) or (trung va)) bang cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - thanh ((luong va) OR (trung va)) bang cong dan toan ban*.