Perhaps you should try some spelling variations:
"van khang java snippets" » "van khanh java snippets", "van thanh java snippets", "van quang java snippets", "van khang java slippers"
"python using lc snippets" » "python using c snippets", "python using l snippets", "python using low snippets", "python using lc slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("python using lc snippets") or ("van khang java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using lc snippets") OR ("van khang java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using lc snippets ) or ( van khang java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using lc snippets") or ("van khang java snippets"))) or ("locating bug code snippets"))*.