Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh ve mo snippets" » "trinh ve code snippets", "trinh he mo snippets", "trinh va mo snippets", "trinh vi mo snippets", "trinh ve moi snippets", "trinh ve mot snippets", "trinh ve mon 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 ve mo 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 ve mo snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh ve mo snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh ve mo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.