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