Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"than doc doc snippets" » "than doc code snippets", "than duoc duoc snippets", "than hoc duoc snippets", "than doc cuoc snippets", "thanh doc doc snippets", "phan doc doc snippets", "tran doc doc 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: (((("than doc doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than doc doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( than doc doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than doc doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.