Perhaps you should try some spelling variations:
"bo cach thoi giap nguoi" » "bo cach thoi gian nguoi", "bo cach thoi giau nguoi", "bo cach thoi gi nguoi", "bo cac thoi giap nguoi", "bo cach thuc giap nguoi", "bo cach noi giap nguoi", "bo cach toi gian nguoi", "bo cach hoi gia nguoi", "bo sach thoi giap nguoi", "bo canh thoi giap nguoi", "co cach thoi giap nguoi"
"thu sach duoc toc nguoi" » "thu sach nuoc toc nguoi", "thu sach dao toc nguoi", "thu sach dung toc nguoi", "thu sach duoc con nguoi", "tu sach duoc toc nguoi", "thuat sach duoc toc nguoi", "thuoc sach duoc toc nguoi", "thu sach duoc hoc nguoi", "thu sach duoc duoc nguoi", "thu sach duoc cuoc nguoi"
"so cac hop gap nguoi" » "so cac hop gian nguoi", "so cac hop dao nguoi", "so cac hop tay nguoi", "sao cac hop gap nguoi", "so cap hop gap nguoi", "o cac hop gap nguoi"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("thu sach duoc toc nguoi") or ((("bo cach thoi giap nguoi") or ("so cac hop gap nguoi"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("thu sach duoc toc nguoi") OR ((("bo cach thoi giap nguoi") OR ("so cac hop gap nguoi")))).
• Removing quotes may allow a broader search: (( thu sach duoc toc nguoi ) or ((( bo cach thoi giap nguoi ) or ( so cac hop gap nguoi )))).
• Adding a wildcard symbol may retrieve word variants: (("thu sach duoc toc nguoi") or ((("bo cach thoi giap nguoi") or ("so cac hop gap nguoi"))))*.