Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"both van chi snippets" » "bach van chi snippets", "binh van chi snippets", "both van chien snippets", "both luan chi snippets", "both van chat 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: (((("both van 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: (((("both van chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( both van chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("both van chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.