Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son lap doc snippets" » "son la doc snippets", "cong lap doc snippets", "sang lap doc snippets", "son lap doi snippets", "son lap dong snippets", "son phap doc 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: (((("son lap doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son lap doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son lap doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son lap doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.