Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tran hoang » tran hong, quan hoang, tran quang
hoang cong » hang cong, hoang long, hoang vuong
doi chieu » doc hieu, doi chi, mot chieu
quan tran » quang tran, quan tren, xuan tran
ban quan » van quan
cong tac » cong ty
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - ban quan tran hoang cong tac ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ban quan tran hoang cong tac ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ban quan tran hoang cong tac ((toan cau) or (toan tap))*.