Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi ha don snippets" » "thi hai don snippets", "thi hanh don snippets", "thi ha dong snippets", "thi hoa don snippets", "thi la don 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 ha don 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 ha don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi ha don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi ha don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.