Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lac son cua snippets" » "lam son cua snippets", "bac son cua snippets", "luc son cua snippets", "lac song cua snippets", "lac con cua snippets", "lac san cua 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: (((("lac son cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lac son cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lac son cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lac son cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.