Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son van chan snippets" » "son van chat snippets", "son dan chan snippets", "son van phan snippets", "song van chan snippets", "san van chan snippets", "son va chan 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 van chan 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 van chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son van chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son van chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.