Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi ra choi snippets" » "thi ra khoi snippets", "thi tro choi snippets", "thi bai choi snippets", "thi ha choi snippets", "thi ba choi snippets", "thi tran choi 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 ra choi 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 ra choi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi ra choi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi ra choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.