Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha han cho snippets" » "phap han cho snippets", "pha ban cho snippets", "pha san cho snippets", "pha hang cho snippets", "pha han che 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: (((("pha han cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha han cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha han cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha han cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.