Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kon hanh cua snippets" » "hon hanh cua snippets", "lon hanh cua snippets", "khong hanh cua snippets", "kon manh cua snippets", "kon hang cua snippets", "kon hanh sua 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: (((("kon hanh 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: (((("kon hanh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kon hanh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kon hanh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.