Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va ghi can snippets" » "va thi canh snippets", "va gioi can snippets", "va khoi can snippets", "va nghi can snippets", "va khi can snippets", "va chi can 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: (((("va ghi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va ghi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va ghi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va ghi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.