Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con lam choi snippets" » "con dam choi snippets", "con lam cho snippets", "con lam thoi snippets", "con lai choi snippets", "lon lam choi snippets", "nong lam choi 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: (((("con lam choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con lam choi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con lam choi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con lam choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.