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