Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lang cua van slippers" » "mang cua van slippers", "hang cua van slippers", "long cua van slippers", "lang cua ban slippers", "lang cua dan slippers", "lang cua vat slippers", "lang cua van slippery", "lang cua 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: (((("lang cua 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: (((("lang cua van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang cua van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang cua van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.