Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dam van cong snippets" » "dam van code snippets", "dam van dong snippets", "dam van phong snippets", "dam phan cong snippets", "dao van cong snippets", "nam van cong snippets", "pham van cong snippets"
"python using java snippets" » "python using data snippets"

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 cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dam van cong snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dam van cong snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam van cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.