Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngu tu hanh slippers" » "ngu tu thanh slippers", "ngu du hanh slippers", "ngu lu hanh slippers", "ngu tuc hanh slippers", "ngu cu hanh slippers", "ngu tu hanh slippery", "ngu tu 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: (((("ngu tu 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: (((("ngu tu hanh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngu tu hanh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngu tu hanh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.