Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi cua song snippets" » "chi cua cong snippets", "chi qua song snippets", "chi cua dong snippets", "chi cuc song snippets", "khi cua song snippets", "cuoi cua song 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: (((("chi cua song snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi cua song snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi cua song snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi cua song snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.