Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"len thoi tu slippers" » "len troi tu slippers", "ren thoi tu slippers", "le thoi tu slippers", "len hoi tu slippers", "len choi tu slippers", "len thi tu slippers", "len thoi tu slippery", "len thoi tu 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: (((("len thoi tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("len thoi tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( len thoi tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("len thoi tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.