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