Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha rong cho snippets" » "pha trong cho snippets", "pha rung cho snippets", "pham trong cho snippets", "pha dong cho snippets", "pha luong 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: (((("pha rong 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 rong cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha rong cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha rong cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.