Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sinh van hoe snippets" » "sinh vat hoe snippets", "dinh van hoe snippets", "sinh va hoe snippets", "sinh van hoa snippets", "sinh van hoc snippets", "sinh van hieu 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: (((("sinh van hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sinh van hoe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sinh van hoe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sinh van hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.