Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi ben can snippets" » "khi nen can snippets", "chi ben can snippets", "khi ban can snippets", "khi ben canh snippets", "khi bien canh 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: (((("khi ben can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khi ben can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi ben can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi ben can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.