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