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