Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chung du con snippets" » "chung cu con snippets", "chung tu con snippets", "chung do con snippets", "chung duc con snippets", "chung dung con snippets", "chung dieu con 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: (((("python using java snippets") or ("chung du con snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("chung du con snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( chung du con snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("chung du con snippets"))) or ("locating bug code snippets"))*.