Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lap danh chi snippets" » "lap danh code snippets", "lap doanh chi snippets", "lap dan chi snippets", "lap lanh chi snippets", "lap danh cho snippets", "lap dinh chi snippets", "lap banh chi 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: (((("lap danh chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap danh chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lap danh chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap danh chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.