Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van dam thi slippers" » "van nam thi slippers", "van dao thi slippers", "van dau thi slippers", "van dan thi slippers", "van pham thi slippers", "van dam thi slippery", "van dam thi 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 dam thi 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 dam thi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van dam thi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van dam thi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.