Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hoai can snippets" » "thi hai can snippets", "thi hoa can snippets", "thi hoan can snippets", "thi hoai cai snippets", "thi thoai cac snippets", "thi thoai van snippets"
"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 hoai can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi hoai can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hoai can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hoai can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.