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