Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi loc cham snippets" » "chi toc cham snippets", "chi moc cham snippets", "chi hoc chat snippets", "thi loc cham snippets", "chon loc cham snippets", "chi duoc cham 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: (((("chi loc cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi loc cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi loc cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi loc cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.