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