Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"coc ha dong snippets" » "coc hoat dong snippets", "coc van dong snippets", "hoc ha dong snippets", "toc ha dong snippets", "coc va dong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("coc ha dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("coc ha dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( coc ha dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("coc ha dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.