Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong ti cua snippets" » "cong ti code snippets", "cong ty cua snippets", "cong li cua snippets", "cong tu cua snippets", "cong tri cua snippets", "cong thi cua snippets", "cong tai 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: (((("cong ti 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: (((("cong ti cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong ti cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong ti cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.