Perhaps you should try some spelling variations:
thanh gian » thanh giang, thach giang, thanh san
doi chieu » doc hieu, doi chi, mot chieu
hang hang » nang hang, cang thang, hung thang
gian dat » gian dan, gian dac, giang day
dat hang » dat khanh, dat quang, tat thang
hang van » hoang van, hang va, dang van
van tho » van thao, van thu, van thi

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 - thanh gian dat hang hang van tho ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - thanh gian dat hang hang van tho ca*.