Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
thong cua » thong tu, huong cua
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - thanh ((thong cua) OR (thong quan)) phuong cong tan ((than cap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - thanh ((thong cua) OR (thong quan)) phuong cong tan ((than cap) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - thanh ((thong cua) OR (thong quan)) phuong cong tan ((than cap) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - thanh ((thong cua) OR (thong quan)) phuong cong tan ((than cap) or (toan cao))*.