Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc cong tu snippets" » "hoc co tu snippets", "cac cong tu snippets", "hoc dung tu snippets", "hoc cong ty snippets", "hoc cong cu snippets", "hoc dong tu snippets", "hoc cong tu slippers"
"locating bug code snippets" » "locating bug code slippers", "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: "((((\"hoc cong tu snippets\") OR (\"python using java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( hoc cong tu snippets ) OR ( python using java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hoc cong tu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.