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