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