Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoan my cac snippets" » "hoan my code snippets", "hoang my cac snippets", "hoa my cac snippets", "toan my cac snippets", "hoan ly cac snippets", "hoan ma cac snippets", "hoan mo cac snippets"
"python using java snippets" » "python using data 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: (((("hoan my cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoan my cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoan my cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoan my cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.