Perhaps you should try some spelling variations:
"dan dat cong snippets" » "dan dat code snippets", "dan dai cong snippets", "dan dam cong snippets", "dan bat cong snippets", "dung dat cong snippets", "dong dat cong snippets", "dinh dat cong snippets"
"locating bug core snippets" » "locating bug code 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: (((("python using java snippets") OR ("dan dat cong snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using java snippets\") OR (\"dan dat cong snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( dan dat cong snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("dan dat cong snippets"))) OR ("locating bug core snippets"))*.