Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung han lon snippets" » "dung han code snippets", "dung nhan lon snippets", "dung phan lon snippets", "dung ha lon snippets", "dung han tong snippets", "dung hai long snippets", "dung phan lan 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 han lon 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 han lon snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dung han lon snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung han lon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.