Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dam van cuc snippets" » "dam van code snippets", "dao van cuc snippets", "nam van cuc snippets", "pham van cuc snippets", "dam van duc snippets", "dam van luc snippets", "dam van cu 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: (((("dam van cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dam van cuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dam van cuc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam van cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.