Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong lang ke snippets" » "dong lang code snippets", "dong bang ke snippets", "cong lang ke snippets", "dong lanh ke snippets", "dong hang ke snippets", "dong lang le snippets", "dong mang ke 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 ("dong lang ke snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dong lang ke snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dong lang ke snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dong lang ke snippets"))) or ("locating bug core snippets"))*.