Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pham mat ca snippets" » "pham mat code snippets", "ham mat ca snippets", "pham ma ca snippets", "cham mat ca snippets", "pham mat cua snippets", "pham mat can snippets", "pham mat ma 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 mat ca 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 mat ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pham mat ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham mat ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.