Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can van chu snippets" » "cac van chu snippets", "can ban chu snippets", "tan van chu snippets", "can van chi snippets", "can van phu snippets", "can 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: (((("can 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: (((("can van chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can van chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can van chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.