Perhaps you should try some spelling variations:
"pham thang 2 snippets" » "pham thanh 2 snippets", "pham hang 2 snippets", "pham thuong 2 snippets", "pham thang 12 snippets", "pham thang 8 snippets", "pham thang b snippets", "pham thang 2 slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"locating bug code snippets" » "locating bug code slippers", "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 thang 2 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 thang 2 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham thang 2 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham thang 2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.