Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
chinh phu » tinh phu, chinh cho
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, mot chieu
cong van » cong vang, cong san, song van
van can » van canh, van ban, ban can
can ban » van ban, 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) OR (doi chieu)) sach - hanh ((chinh phu) or (hinh su)) dung cong van can ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - hanh ((chinh phu) OR (hinh su)) dung cong van can ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) sach - hanh ((chinh phu) or (hinh su)) dung cong van can ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) sach - hanh ((chinh phu) or (hinh su)) dung cong van can ban*.