Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham ap cua snippets" » "pham gap cua snippets", "pham phap cua snippets", "pham van cua snippets", "pham tap cua snippets", "pham lap cua 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 ap cua 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 ap cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham ap cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham ap cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.