Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh cai da snippets" » "trinh cai code snippets", "trinh tai da snippets", "trinh cau da snippets", "trinh cac da snippets", "trinh cai dat snippets", "trinh cai dai snippets", "trinh cai dan 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: (((("trinh cai da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cai da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh cai da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cai da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.