Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
hanh truong » hanh trong, anh truong, manh truong
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
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 truong 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 truong thanh dang cong san ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) or (chieu sach)) - hanh truong thanh dang cong san ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (chieu sach)) - hanh truong thanh dang cong san ((toan cau) OR (toan tap))*.