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