Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phi thi cho snippets" » "phi thi code snippets", "phi tai cho snippets", "chi thi cho snippets", "phi phi cho snippets", "phi thi choi snippets", "phi thi tho snippets", "phi thi thao 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: (((("phi thi cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi thi cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phi thi cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi thi cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.