Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tich ki can snippets" » "tich li can snippets", "tich vi can snippets", "tich kinh can snippets", "tich i can snippets", "tich khoi can 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: (((("tich ki can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tich ki can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tich ki can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tich ki can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.