Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi cong xon snippets" » "thi cong xon snippets", "cho cong xon snippets", "phi cong xon snippets", "chi cong lon snippets", "chi cong hon snippets", "chi cong dong 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 cong xon 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 cong xon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi cong xon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi cong xon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.