Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chung su van slippers" » "chung cu van slippers", "chung tu van slippers", "nhung su van slippers", "chung vu van slippers", "chung su van slippery", "chung su van 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: (((("chung su van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chung su van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chung su van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung su van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.