Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gap chao chu snippets" » "cap cho chu snippets", "tap cho chu snippets", "gap cac chu snippets", "gap cho chu snippets", "gap cua chu snippets", "gap cao cho 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: (((("gap chao chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gap chao chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gap chao chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gap chao chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.