Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh tung » thanh cong
tran trong » gian trong, quan trong, tran hong
tung tran » trung tran, hung tran, huong tran
cong tap » cuong tap, cong tac, cong tan
tap doan » tap quan
doan ban » doanh ban, toan ban, doan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu sach - thanh tung tran trong cong tap doan ban~.
• Adding a wildcard symbol may retrieve word variants: toc thieu sach - thanh tung tran trong cong tap doan ban*.