Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat cua uoc snippets" » "nhat cua uoc snippets", "chat cua uoc snippets", "phat cua uoc snippets", "hat cua nuoc snippets", "hat cua quoc snippets", "hat cua duoc 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: (((("hat cua uoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat cua uoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat cua uoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat cua uoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.