Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"doi thi han snippets" » "doi thoi han snippets", "do thi han snippets", "doi khi han snippets", "doi thi hanh snippets", "doi thi hang snippets", "doi thi hoan snippets", "doi thi han slippers"

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: (((("doi thi han snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi thi han snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( doi thi han snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi thi han snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.