Perhaps you should try some spelling variations:
trong phat » trong thuat, trong nha, trong hoat
doi chieu » doc hieu, doi chi, mot chieu
phan than » phan thanh, phan tan, khan than
12 trong » 10 trong, ro trong, le trong
phat van » pham van, phan van, phap van
van phan » van phong, van thanh, luan phan
phan lap » phan dau
than 12 » thang 12, than 10, thang 10

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 - phan than 12 trong phat van phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - phan than 12 trong phat van phan lap.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) sach - phan than 12 trong phat van phan lap*.