Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
thong cong » trong cong, thong thong, phong chong
tong cong » trong cong, cong cong, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
tung tho » tung ho, truong tho, trong tho
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: ho chieu sach - thanh tung tho ((thong cong) or (tong cong)) dan ((toan cao) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung tho ((thong cong) OR (tong cong)) dan ((toan cao) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung tho ((thong cong) or (tong cong)) dan ((toan cao) or (van ban))*.