Perhaps you should try some spelling variations:
chuc hach » chuc hanh, thuc hanh, chuc danh
hang cong » dang cong, hang nong, bang cong
thu sach » tu sach, thuat sach, thuoc sach
hanh ban » thanh ban, hang ban, hanh san
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, huong dan
ban cua » ban quan
dan van » dang van, doan van, dao van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chuc hach) or (thu sach)) - hanh ban cua hang cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc hach) OR (thu sach)) - hanh ban cua hang cong dan van ban*.