Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua ho cuu snippets" » "qua kho cuu snippets", "qua cho cuu snippets", "qua nho cuu snippets", "qua ho chu snippets", "qua ho cua snippets", "qua so cuu 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 ho cuu 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 ho cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua ho cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua ho cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.