Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phap chu doc snippets" » "phap chu code snippets", "phap chua doc snippets", "phap chuc doc snippets", "phap che doc snippets", "phap chau doc snippets", "phap chu duc snippets", "phap chua duoc 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: (((("phap chu 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: (((("phap chu doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phap chu doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap chu doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.