Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"le doan thu snippets" » "le doanh thu snippets", "le doan thuc snippets", "le doan thi snippets", "le dan thu snippets", "ly doanh thu snippets", "le hoang thu snippets"

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: (((("le doan thu snippets") or ("python using data snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("le doan thu snippets") OR ("python using data snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( le doan thu snippets ) or ( python using data snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("le doan thu snippets") or ("python using data snippets"))) or ("locating bug code slippers"))*.