Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan cuoi chu snippets" » "lang cuoi chu snippets", "la cuoi chu snippets", "dam cuoi chu snippets", "lan choi chu snippets", "lan nguoi chu snippets", "lan cuoi thuc 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: (((("lan cuoi 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: (((("lan cuoi chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan cuoi chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan cuoi chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.