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