Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cua » truong ca, truong quan, truong cao
thong cong » trong cong, tong cong, thong thong
trung cua » trung tuan, trung cap, dung cua
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
than tap » han tap, phan tap, than cap
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: ho chieu sach - hanh ((trung cua) OR (truong cua)) thong cong tan ((than tap) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((trung cua) OR (truong cua)) thong cong tan ((than tap) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh ((trung cua) OR (truong cua)) thong cong tan ((than tap) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((trung cua) OR (truong cua)) thong cong tan ((than tap) or (toan tap))*.