Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung san doc snippets" » "dung san code snippets", "dong san doc snippets", "dung sai doc snippets", "dung luan doc snippets", "dung nang doc snippets", "dung than doc snippets", "dung gian doc 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: (((("dung san doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung san doc snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dung san doc snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung san doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.