Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha cao oc snippets" » "pha cao code snippets", "nha cao oc snippets", "pha cac oc snippets", "pha cau oc snippets", "pha cao hoc snippets", "pha cao toc snippets", "pha cao ngoc 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: (((("pha cao oc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha cao oc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pha cao oc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha cao oc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.