Perhaps you should try some spelling variations:
"nhung thong quan van. noi dung uoc mo" » "chung thong quan van. noi dung uoc mo", "nhung chong quan van. noi dung uoc mo", "nhung phong quan van. noi dung uoc mo", "nhung thong luan van. noi dung uoc mo", "nhung thong quan va. noi dung uoc mo", "nhung thong quan luan. noi dung uoc mo", "nhung thong quan van. hoc dung uoc mo", "nhung thong quan van. noi dung quoc mo", "nhung thong quan van. noi dung hoc mo", "nhung thong quan van. noi dung coc mo"
"phung thi quyet van. con duong uoc mo" » "phung thi tuyet van. con duong uoc mo", "phung toi quyet van. con duong uoc mo", "phung theo quyet van. con duong uoc mo", "phung thi quyet van. van duong uoc mo", "phung thi quyet van. con huong uoc mo", "phung thi quyet van. con duong hoc mo", "phung thi quyet van. con duong nguoc 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 thong quan van. noi dung uoc mo") OR ("phung thi quyet van. con duong uoc mo"))~.
• Removing quotes may allow a broader search: (( nhung thong quan van. noi dung uoc mo ) or ( phung thi quyet van. con duong uoc mo ))~.
• Adding a wildcard symbol may retrieve word variants: (("nhung thong quan van. noi dung uoc mo") or ("phung thi quyet van. con duong uoc mo"))*.