Perhaps you should try some spelling variations:
"toc sach tham luat xay" » "toc sach thai luat xay", "toc sach thau luat xay", "toc sach phap luat xay", "hoc sach tham luat xay", "doc sach tham luat xay", "thuoc sach tham luat xay", "toc sach tham thuat xay", "toc sach tham luat dat", "toc sach tham luat bao"
"te sach pham quang y" » "te sach phat quang y", "te sach phap quang y", "te san pham quang y", "te sach pham quan y", "te sach pham quang _", "te sach pham quang d"
"te sach nha quan ly" » "te sach phap quan ly", "te sach hai quan ly", "te sach qua quan ly"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("te sach nha quan ly") OR ("toc sach tham luat xay"))) OR ("te sach pham quang y"))~.
• Removing quotes may allow a broader search: (((( te sach nha quan ly ) or ( toc sach tham luat xay ))) or ( te sach pham quang y ))~.
• Adding a wildcard symbol may retrieve word variants: (((("te sach nha quan ly") or ("toc sach tham luat xay"))) or ("te sach pham quang y"))*.