Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat lanh cua snippets" » "dat lanh cua snippets", "thuat lanh cua snippets", "nhat hanh cua snippets", "hat manh cua snippets", "hat hanh cua snippets", "hat lang cua 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 lanh cua 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 lanh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat lanh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat lanh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.