Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi hoc danh slippers" » "phi hoc dan slippers", "phi hoc anh slippers", "phi hoc hanh slippers", "phoi hoc danh slippers", "khi hoc danh slippers", "pho hoc danh slippers", "phi hoc danh slippery", "phi hoc danh 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: (((("phi hoc danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi hoc danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi hoc danh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi hoc danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.