Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van cuu duoc slippers" » "van cuu dac slippers", "van che duoc slippers", "van co duoc slippers", "van cau duoc slippers", "van chu duoc slippers", "van cu duoc slippers", "van cuu duoc slippery", "van cuu duoc 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: (((("van cuu duoc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van cuu duoc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van cuu duoc slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van cuu duoc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.