Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van anh con snippets" » "van anh code snippets", "van thanh con snippets", "van minh con snippets", "tuan anh con snippets", "van anh cong snippets", "van anh son snippets", "van anh co 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 ("van anh con snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using java snippets\") OR (\"van anh con snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( van anh con snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("van anh con snippets"))) OR ("locating bug core snippets"))*.