Perhaps you should try some spelling variations:
hung vuong » hoang vuong
doi chieu » doc hieu, doi chi, mot chieu
chinh can » chinh ca, chinh ban, chinh cau
vuong dan » huong dan, tuong dan, xuong dan
can hung » van hung, cam hung, lan hung
dan van » dang van, doan van, dao van
van hai » van ha, van chat, van hanh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) sach - hanh chinh can hung vuong dan van hai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - hanh chinh can hung vuong dan van hai*.