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