Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"le dinh long snippets" » "le dinh luong snippets", "le dinh hong snippets", "le dinh lang snippets", "le minh long snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 dinh long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("le dinh long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( le dinh long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("le dinh long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.