Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pho dan chan snippets" » "pho dan code snippets", "pho dan gian snippets", "pho dan ca snippets", "pho van chat snippets", "pho danh chan snippets", "tho dan chan snippets", "pho da chan 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 dan chan 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 dan chan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pho dan chan snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho dan chan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.