Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan han cho snippets" » "quan hanh cho snippets", "quanh han cho snippets", "quan ha cho snippets", "quan hang cho snippets", "quan han che snippets", "quan san cho 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: (((("quan 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: (((("quan han cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan han cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan han cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.