Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung van du snippets" » "dung van code snippets", "duong van du snippets", "dung va du snippets", "dang van du snippets", "dung van duy snippets", "dung van dau snippets", "dung van de 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 ("dung van du snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using java snippets\") OR (\"dung van du snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( dung van du snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("dung van du snippets"))) OR ("locating bug core snippets"))*.