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