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