Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pho cong dot snippets" » "pho cong code snippets", "pho uong dot snippets", "cho cong dot snippets", "pho dong dot snippets", "pho cong mot snippets", "pho cong dong snippets", "pho cong doan 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: (((("pho cong dot snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pho cong dot snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pho cong dot snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho cong dot snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.