Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
tinh cua » trinh cua, tinh chat, tranh cua
sinh cua » manh cua, dinh cuu, sinh va
cong tai » cong thai, cong tac, dong tai
tai phan » tai thanh, tai phong, tai ngan
phan dau » phan tu, hang dau

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 ((tinh cua) or (sinh cua)) dang cong tai phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((tinh cua) OR (sinh cua)) dang cong tai phan dau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((tinh cua) or (sinh cua)) dang cong tai phan dau*.