Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu va tao slippers" » "lieu va tao slippers", "hieu qua tao slippers", "hieu va bao slippers", "hieu va cao slippers", "hieu va tac slippers", "hieu va tao slippery", "hieu va tao grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hieu va tao slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu va tao slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu va tao slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu va tao slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.