Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac tac dong snippets" » "cac tac dung snippets", "cac tac trong snippets", "cac ha dong snippets", "cac toc dong snippets", "cac bac dong snippets", "cac dac 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: (((("cac tac 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: (((("cac tac dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac tac dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac tac dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.