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