Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phat cua doi snippets" » "phat cua code snippets", "nhat cua doi snippets", "chat cua doi snippets", "hai cua doi snippets", "phat sua doi snippets", "phat cua dai snippets", "phat cua hoi 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: (((("phat cua doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phat cua doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phat cua doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat cua doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.