Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lich sinh du snippets" » "lich sinh code snippets", "tinh sinh du snippets", "tich tinh du snippets", "tich kinh du snippets", "lich dinh du snippets", "lich sinh de snippets", "lich sinh dh 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: (((("lich sinh du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lich sinh du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lich sinh du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lich sinh du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.