Perhaps you should try some spelling variations:
"nhung thoi que van. boi luong cuoc mo" » "nhung thoi que van. boi trong cuoc mo", "nhung thi que van. boi luong cuoc mo", "phung thi que van. boi luong cuoc mo", "nhung loi que van. boi luong cuoc mo", "nhung thoi que van. boi duong cuoc mo", "nhung thoi que van. hoi luong cuoc mo", "nhung thoi que van. boi thuong cuoc mo", "nhung thoi quen van. boi luong cuoc mo", "nhung thon que van. boi luong cuoc mo", "nhung thong que van. boi luong cuoc mo", "nhung thoi qua van. boi luong cuoc mo", "nhung thoi quy van. boi luong cuoc mo", "nhung thoi quyet van. boi luong cuoc mo", "nhung thoi que van. boi luong cuoc o", "nhung thoi que van. boi luong cuoc doi", "nhung thoi que van. boi luong cuoc tro"
"nhung bai luan van. doi song uoc mo" » "nhung bai toan van. doi song uoc mo", "nhung li luan van. doi song uoc mo", "nhung vay luan van. doi song uoc mo", "nhung bai luan van. doi song nuoc mo", "nhung bai luan van. doi song cuoc mo", "nhung bai luan van. doi cong uoc mo"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("nhung bai luan van. doi song uoc mo") or ("nhung thoi que van. boi luong cuoc mo"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung bai luan van. doi song uoc mo") OR ("nhung thoi que van. boi luong cuoc mo")).
• Removing quotes may allow a broader search: (( nhung bai luan van. doi song uoc mo ) or ( nhung thoi que van. boi luong cuoc mo )).
• Adding a wildcard symbol may retrieve word variants: (("nhung bai luan van. doi song uoc mo") or ("nhung thoi que van. boi luong cuoc mo"))*.