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