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