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