Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giau cua chi snippets" » "gian cua chi snippets", "gia cua chi snippets", "dieu cua chi snippets", "giau cua chu snippets", "giau ca chi snippets", "giau cua cha 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: (((("giau cua chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giau cua chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giau cua chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giau cua chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.