Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
doan phan » doanh phan, toan phan, doanh nhan
canh ban » can ban, canh dan, canh van
ban cong » bang cong, van cong, phan cong
dan phan » dan chan, van phan, dam phan
ban cua » ban quan

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 - canh ban cua ban cong ((doan phan) or (dan phan)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - canh ban cua ban cong ((doan phan) OR (dan phan)) tu.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - canh ban cua ban cong ((doan phan) or (dan phan)) tu*.