Perhaps you should try some spelling variations:
"python using java slippers" » "python using data slippers", "python using java slippery", "python using java grippers"
"chinh du tu snippets" » "chinh su tu snippets", "chinh do tu snippets", "chinh tu tu snippets", "chinh dau tu snippets", "chinh du tru snippets", "chinh duc tu snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: "((((\"chinh du tu snippets\") OR (\"python using java slippers\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( chinh du tu snippets ) OR ( python using java slippers ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("chinh du tu snippets") OR ("python using java slippers"))) OR ("locating bug code snippets"))*.