Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tuc cua doi snippets" » "tuc cua code snippets", "thuc cua doi snippets", "tac cua doi snippets", "luc cua doi snippets", "tuc sua doi snippets", "tuc cua dai snippets", "tuc cua hoi 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: (((("tuc cua doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tuc cua doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tuc cua doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuc cua doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.