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