Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"do song cuoc snippets" » "do song nuoc snippets", "do cong cuoc snippets", "do trong cuoc snippets", "doi song cuoc snippets", "do hong cuoc 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: (((("do song cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do song cuoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( do song cuoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do song cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.