Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phap cac moi snippets" » "phap cac code snippets", "phap cach moi snippets", "phan cac moi snippets", "pha cac moi snippets", "phap cac mon snippets", "phap cac toi snippets", "phap cac thoi 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: (((("phap cac moi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap cac moi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phap cac moi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap cac moi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.