Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham lang ke snippets" » "pham hang ke snippets", "pham dang ke snippets", "pham lan ke snippets", "pham lang le snippets", "pham mang ke 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: (((("pham lang ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham lang ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham lang ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham lang ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.