Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dau trinh he snippets" » "dau trinh code snippets", "dan trinh he snippets", "dau tinh he snippets", "dau tranh he snippets", "dau trinh han snippets", "dau trinh hoa snippets", "dau trinh ky 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 ("dau trinh he snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dau trinh he snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dau trinh he snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dau trinh he snippets"))) or ("locating bug core snippets"))*.