Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh dai da snippets" » "trinh dai code snippets", "trinh tai da snippets", "trinh di da snippets", "trinh da da snippets", "trinh dai dua snippets", "trinh dai dac snippets", "trinh dai va 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 dai 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 dai da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh dai da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh dai da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.