Perhaps you should try some spelling variations:
"nhung loi y van. doi tuong hoc noi" » "nhung bai y van. doi tuong hoc noi", "nhung bi y van. doi tuong hoc noi", "nhung gi y van. doi tuong hoc noi", "nhung loi y van. moi truong hoc noi", "nhung loi y van. doi song hoc noi", "nhung loi y van. doi truong hoc noi", "nhung loi y van. doi tuong ho noi", "nhung loi y van. doi duong hoc noi", "nhung loi y van. doi tuong hoc nuoc", "nhung goi y van. doi tuong hoc noi", "nhung hoi y van. doi tuong hoc noi", "nhung loi _ van. doi tuong hoc noi", "nhung loi ly van. doi tuong hoc noi", "nhung loi ty van. doi tuong hoc noi"
"phung thi qua van. noi dung uoc mo" » "phung thi qua van. hoc dung uoc mo", "phung thi qua van. noi dung quoc mo", "phung thi qua van. noi dung hoc mo", "phung thi qua van. noi dung coc mo", "phung thi quan van. noi dung uoc mo", "phung thi dua van. noi dung uoc mo", "phung thi cua van. noi dung uoc mo", "phung thi qua ban. noi dung uoc mo", "phung thi qua san. noi dung uoc mo"

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: (("nhung loi y van. doi tuong hoc noi") OR ("phung thi qua van. noi dung uoc mo"))~.
• Removing quotes may allow a broader search: (( nhung loi y van. doi tuong hoc noi ) or ( phung thi qua van. noi dung uoc mo ))~.
• Adding a wildcard symbol may retrieve word variants: (("nhung loi y van. doi tuong hoc noi") or ("phung thi qua van. noi dung uoc mo"))*.