Perhaps you should try some spelling variations:
trong thanh » truong thanh, trung thanh, rong thanh
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
hanh trong » hanh trang, anh trong, hinh trong
thanh dang » thanh hang, thanh dan, thanh dong
dang cong » dung cong
cong san » cong tac
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: hoc ((thieu sach) or (chieu sach)) - hanh trong thanh dang cong san ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (chieu sach)) - hanh trong thanh dang cong san ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (chieu sach)) - hanh trong thanh dang cong san ((toan cau) or (toan tap))*.