Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi du hanh slippers" » "phi dieu hanh slippers", "phi luu hanh slippers", "phi de thanh slippers", "phi dau hanh slippers", "pha du hanh slippers", "phi xu hanh slippers", "phi du hanh slippery", "phi du 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: (((("phi du 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: (((("phi du hanh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi du hanh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi du hanh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.