Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh ven da snippets" » "trinh ven code snippets", "trinh van da snippets", "trinh ve da snippets", "trinh den da snippets", "trinh vien da snippets", "trinh ven dam snippets", "trinh men da 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 ven 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 ven da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh ven da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh ven da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.