Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu bach cho snippets" » "huu phach cho snippets", "huu hanh cho snippets", "vu bach cho snippets", "huu bach khoa snippets", "huu danh cho snippets", "huu bac ho 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: (((("huu bach 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: (((("huu bach cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu bach cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu bach cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.