Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc trinh ve snippets" » "duc trinh code snippets", "duc thinh ve snippets", "doc trinh ve snippets", "qua trinh ve snippets", "duc trinh he snippets", "duc trinh va snippets", "duc trinh vi 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: (((("python using java snippets") or ("duc trinh ve snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("duc trinh ve snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( duc trinh ve snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("duc trinh ve snippets"))) or ("locating bug core snippets"))*.