Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua lam cua snippets" » "cua lam cua snippets", "qua la cua snippets", "qua lao cua snippets", "qua nam cua snippets", "qua lam chat 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: (((("qua lam 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: (((("qua lam cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua lam cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua lam cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.