Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pham cay cao snippets" » "pham cay code snippets", "pham xay cao snippets", "pham ca cao snippets", "pham can cao snippets", "pham chay cao snippets", "pham cay co snippets", "pham tay cao snippets"
"python using java snippets" » "python using data 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 cay cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham cay cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pham cay cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham cay cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.