Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"canh cha dan snippets" » "canh chau dan snippets", "canh cua dan snippets", "thanh cha dan snippets", "canh chua dan snippets", "canh ca dan snippets", "canh cha dan 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: (((("canh cha dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("canh cha dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( canh cha dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("canh cha dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.