Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
trinh cua » trinh quan, trinh luan, trinh chat
ho chieu » theo chieu, hoc thieu, doi chieu
tinh cua » sinh cua, tinh chat, tranh cua
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan tai » toan tai, quan tai, tan tai
luat » luan, xuat

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 ((((trinh cua) OR (trinh luat))) or (tinh cua)) nhung cong van tuan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((((trinh cua) OR (trinh luat))) OR (tinh cua)) nhung cong van tuan tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh ((((trinh cua) OR (trinh luat))) or (tinh cua)) nhung cong van tuan tai".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((((trinh cua) OR (trinh luat))) or (tinh cua)) nhung cong van tuan tai*.