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