Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sinh cua he snippets" » "manh cua he snippets", "dinh cuu he snippets", "sinh va he snippets", "sinh cua che snippets", "sinh cua te snippets", "sinh cua le 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 cua he 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 cua he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sinh cua he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sinh cua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.