Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cot theo chu snippets" » "cot theo code snippets", "cot thep chu snippets", "cuon theo chu snippets", "cau theo chu snippets", "cot theo chieu snippets", "cot cho chu snippets", "cot chao chu 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: (((("cot theo chu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cot theo chu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cot theo chu snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cot theo chu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.