Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
chieu sach » chinh sach, chiet tach, chieu sang
hanh doanh » hang doanh, chinh doanh, doanh doanh
ho chieu » theo chieu, hoc thieu, doi chieu
doanh va » doan va, doanh tai, doanh cua
cong tan » cong tac, cong san, cong thanh
than tap » toan tap, han tap, than cap
phan tap » phan lap, han tap, pha tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh doanh va nhung ((cong tan) or (truong thanh)) ((than tap) OR (phan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh doanh va nhung ((cong tan) OR (truong thanh)) ((than tap) OR (phan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh doanh va nhung ((cong tan) or (truong thanh)) ((than tap) OR (phan tap))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh doanh va nhung ((cong tan) or (truong thanh)) ((than tap) OR (phan tap))*.