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