Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van canh van slippers" » "van anh van slippers", "van hanh van slippers", "van manh van slippers", "van can van slippers", "van cach van slippers", "van canh van slippery", "van canh van 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 canh van 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 canh van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van canh van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van canh van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.