Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong phi thi slippers" » "dong thi thi slippers", "dang phi thi slippers", "dong chi thi slippers", "dong phi tai slippers", "dong phi phi slippers", "dong phi thi slippery", "dong phi 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: (((("dong phi 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: (((("dong phi thi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong phi thi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong phi thi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.