Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan doc son snippets" » "phan doc code snippets", "phan duoc son snippets", "phan duc son snippets", "than doc son snippets", "phan do son snippets", "phan soc son snippets", "phan doi song 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 doc son 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 doc son snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan doc son snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan doc son snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.