Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat da chieu snippets" » "mat dao chieu snippets", "mat doi chieu snippets", "mat tam chieu snippets", "mat dan chieu snippets", "mat ma chieu snippets", "vat da chieu 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: (((("mat da chieu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mat da chieu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat da chieu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat da chieu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.