Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua su trinh slippers" » "cua su tinh slippers", "cua qua trinh slippers", "cua quy trinh slippers", "qua su trinh slippers", "cua su trinh slippery", "cua su trinh 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: (((("cua su trinh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua su trinh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua su trinh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua su trinh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.