Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan nhat cu snippets" » "pham nhat cu snippets", "phan phat cu snippets", "phan chat cu snippets", "phan nhat cua snippets", "phan nhat tu snippets", "phan nhat vu 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: (((("phan nhat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan nhat cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan nhat cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan nhat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.