Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"che cho can snippets" » "che cho code snippets", "che ho can snippets", "chat cho can snippets", "che khoa can snippets", "che cho cac snippets", "che cho phan snippets", "che cho cong 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: (((("python using java snippets") or ("che cho can snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("che cho can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( che cho can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("che cho can snippets"))) or ("locating bug core snippets"))*.