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