Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi nhat cho snippets" » "thu nhat cho snippets", "tai nhat cho snippets", "thi nhan cho snippets", "thi chat cho snippets", "thi nhat co snippets", "thi nhat nheo 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: (((("thi nhat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi nhat cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi nhat cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi nhat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.