Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong tu con snippets" » "cong tu code snippets", "cong ty con snippets", "cong cu con snippets", "dong tu con snippets", "cong tu cong snippets", "cong tu chon snippets", "cong tu co 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 con 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 con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong tu con snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong tu con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.