Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan lap cho snippets" » "toan lap cho snippets", "dan lap cho snippets", "tai lap cho snippets", "tan cap cho snippets", "tan tap cho snippets", "tan lai 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: (((("tan lap 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: (((("tan lap cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan lap cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan lap cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.