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