Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi chat cua snippets" » "chai chet cua snippets", "chi chang cua snippets", "chin cham cua snippets", "chi nhat cua snippets", "chi chat va snippets", "chi chat huu 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 chat 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 chat cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi chat cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi chat cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.