Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tuc cua doc snippets" » "tuc cua code snippets", "thuc cua doc snippets", "tac cua doc snippets", "luc cua doc snippets", "tuc cua duoc snippets", "tuc cua duc snippets", "tuc cua hoc 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 doc 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 doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tuc cua doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuc cua doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.