Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong duc doc snippets" » "cong duc code snippets", "cong suc doc snippets", "hong duc doc snippets", "cong dac doc snippets", "cong duc hoc snippets", "cong duy doc snippets", "cong duc ngoc 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 ("cong duc doc snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using java snippets\") OR (\"cong duc doc snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( cong duc doc snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("cong duc doc snippets"))) OR ("locating bug core snippets"))*.