Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi troi cua snippets" » "chi thoi cua snippets", "chi tro cua snippets", "chan troi cua snippets", "chi tri cua snippets", "chi hoi 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 troi 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 troi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi troi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi troi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.