Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap san chi snippets" » "phap sang chi snippets", "phap han chi snippets", "pha san chi snippets", "phap van chi snippets", "phap luan chi snippets", "phap toan chi 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: (((("phap san chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap san chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap san chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap san chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.