Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi tai cua snippets" » "chiu tai cua snippets", "phi tai cua snippets", "chi thi cua snippets", "chi thai cua snippets", "chi tai cuc snippets", "chi tri cua 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 tai cua 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 tai cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi tai cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi tai cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.