Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
chinh vat » chinh va, chinh dat, chinh viet
tong cong » trong cong, cong cong, dung cong
ho chieu » theo chieu, doi chieu, mot chieu
vat tong » vat trong, va tong, vat dong
cong san » cong tac
san chan » san chang, dan chan, san chay
chan ban » can ban, chat ban, chan nan

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) or (hoc thieu)) sach - hanh chinh vat tong cong san chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - hanh chinh vat tong cong san chan ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sach - hanh chinh vat tong cong san chan ban*.