Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van duc canh snippets" » "van duc code snippets", "van luc canh snippets", "van duc anh snippets", "van duc manh snippets", "van duy canh snippets", "van du canh snippets", "tran duc 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: (((("van duc canh snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van duc canh snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van duc canh snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van duc canh snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.