Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi cac cach snippets" » "thi cai cach snippets", "thi cuoc cach snippets", "thi va cach snippets", "thi cuc cach snippets", "tai cac cach snippets", "thi tac cach 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: (((("thi cac cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi cac cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi cac cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cac cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.