Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi pha du snippets" » "phi phan du snippets", "phi ha du snippets", "phi phi du snippets", "phi pham duc snippets", "phi pham duy snippets", "phi 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: "((((\"phi pha du snippets\") OR (\"python using java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( phi pha du snippets ) OR ( python using java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("phi pha du snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))*.