Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat dan cuoc snippets" » "mat dan quoc snippets", "mat dao cuoc snippets", "mat doanh cuoc snippets", "hat dan cuoc snippets", "luat dan cuoc snippets", "mat bang cuoc 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 dan cuoc 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 dan cuoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat dan cuoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat dan cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.