Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan dan ke snippets" » "phan dan code snippets", "phan dang ke snippets", "phan dau ke snippets", "nhan dan ke snippets", "phan dan ky snippets", "phan dan ve snippets", "phan ban ke 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: (((("phan dan ke snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan dan ke snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan dan ke snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan dan ke snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.