Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha thi hanh slippers" » "pha thi thanh slippers", "pham thi hanh slippers", "phan thi hanh slippers", "phap thi hanh slippers", "pha thi hanh slippery", "pha thi hanh 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: (((("pha thi hanh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha thi hanh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha thi hanh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha thi hanh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.