Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan duc o snippets" » "pham duc o snippets", "phan tu o snippets", "phan dau o snippets", "phan duc mo snippets", "phan duc so snippets", "phan duc _ snippets"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"phan duc o snippets\") OR (\"python using java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( phan duc o snippets ) OR ( python using java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("phan duc o snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))*.