Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham chat doc snippets" » "pham chat doc snippets", "dam chat doc snippets", "lam chat doc snippets", "ham chat hoc snippets", "ham chau doc snippets", "ham thuat doc 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: (((("ham chat doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham chat doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham chat doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham chat doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.