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